Untabify C files. Will watch buildbots.
diff --git a/Python/thread_atheos.h b/Python/thread_atheos.h
index 747a6a2..230594f 100644
--- a/Python/thread_atheos.h
+++ b/Python/thread_atheos.h
@@ -19,8 +19,8 @@
 
 /* Use an atomic counter and a semaphore for maximum speed. */
 typedef struct fastmutex {
-	sem_id sem;
-	atomic_t count;
+    sem_id sem;
+    atomic_t count;
 } fastmutex_t;
 
 
@@ -33,49 +33,49 @@
 
 static int fastmutex_create(const char *name, fastmutex_t * mutex)
 {
-	mutex->count = 0;
-	mutex->sem = create_semaphore(name, 0, 0);
-	return (mutex->sem < 0) ? -1 : 0;
+    mutex->count = 0;
+    mutex->sem = create_semaphore(name, 0, 0);
+    return (mutex->sem < 0) ? -1 : 0;
 }
 
 
 static int fastmutex_destroy(fastmutex_t * mutex)
 {
-	if (fastmutex_timedlock(mutex, 0) == 0 || errno == EWOULDBLOCK) {
-		return delete_semaphore(mutex->sem);
-	}
-	return 0;
+    if (fastmutex_timedlock(mutex, 0) == 0 || errno == EWOULDBLOCK) {
+        return delete_semaphore(mutex->sem);
+    }
+    return 0;
 }
 
 
 static int fastmutex_lock(fastmutex_t * mutex)
 {
-	atomic_t prev = atomic_add(&mutex->count, 1);
-	if (prev > 0)
-		return lock_semaphore(mutex->sem);
-	return 0;
+    atomic_t prev = atomic_add(&mutex->count, 1);
+    if (prev > 0)
+        return lock_semaphore(mutex->sem);
+    return 0;
 }
 
 
 static int fastmutex_timedlock(fastmutex_t * mutex, bigtime_t timeout)
 {
-	atomic_t prev = atomic_add(&mutex->count, 1);
-	if (prev > 0)
-		return lock_semaphore_x(mutex->sem, 1, 0, timeout);
-	return 0;
+    atomic_t prev = atomic_add(&mutex->count, 1);
+    if (prev > 0)
+        return lock_semaphore_x(mutex->sem, 1, 0, timeout);
+    return 0;
 }
 
 
 static int fastmutex_unlock(fastmutex_t * mutex)
 {
-	atomic_t prev = atomic_add(&mutex->count, -1);
-	if (prev > 1)
-		return unlock_semaphore(mutex->sem);
-	return 0;
+    atomic_t prev = atomic_add(&mutex->count, -1);
+    if (prev > 1)
+        return unlock_semaphore(mutex->sem);
+    return 0;
 }
 
 
-#endif				/* FASTLOCK */
+#endif                          /* FASTLOCK */
 
 
 /*
@@ -84,8 +84,8 @@
  */
 static void PyThread__init_thread(void)
 {
-	/* Do nothing. */
-	return;
+    /* Do nothing. */
+    return;
 }
 
 
@@ -98,48 +98,48 @@
 
 long PyThread_start_new_thread(void (*func) (void *), void *arg)
 {
-	status_t success = -1;
-	thread_id tid;
-	char name[OS_NAME_LENGTH];
-	atomic_t this_thread;
+    status_t success = -1;
+    thread_id tid;
+    char name[OS_NAME_LENGTH];
+    atomic_t this_thread;
 
-	dprintf(("PyThread_start_new_thread called\n"));
+    dprintf(("PyThread_start_new_thread called\n"));
 
-	this_thread = atomic_add(&thread_count, 1);
-	PyOS_snprintf(name, sizeof(name), "python thread (%d)", this_thread);
+    this_thread = atomic_add(&thread_count, 1);
+    PyOS_snprintf(name, sizeof(name), "python thread (%d)", this_thread);
 
-	tid = spawn_thread(name, func, NORMAL_PRIORITY, 0, arg);
-	if (tid < 0) {
-		dprintf(("PyThread_start_new_thread spawn_thread failed: %s\n", strerror(errno)));
-	} else {
-		success = resume_thread(tid);
-		if (success < 0) {
-			dprintf(("PyThread_start_new_thread resume_thread failed: %s\n", strerror(errno)));
-		}
-	}
+    tid = spawn_thread(name, func, NORMAL_PRIORITY, 0, arg);
+    if (tid < 0) {
+        dprintf(("PyThread_start_new_thread spawn_thread failed: %s\n", strerror(errno)));
+    } else {
+        success = resume_thread(tid);
+        if (success < 0) {
+            dprintf(("PyThread_start_new_thread resume_thread failed: %s\n", strerror(errno)));
+        }
+    }
 
-	return (success < 0 ? -1 : tid);
+    return (success < 0 ? -1 : tid);
 }
 
 
 long PyThread_get_thread_ident(void)
 {
-	return get_thread_id(NULL);
+    return get_thread_id(NULL);
 }
 
 
 void PyThread_exit_thread(void)
 {
-	dprintf(("PyThread_exit_thread called\n"));
+    dprintf(("PyThread_exit_thread called\n"));
 
-	/* Thread-safe way to read a variable without a mutex: */
-	if (atomic_add(&thread_count, 0) == 0) {
-		/* No threads around, so exit main(). */
-		exit(0);
-	} else {
-		/* We're a thread */
-		exit_thread(0);
-	}
+    /* Thread-safe way to read a variable without a mutex: */
+    if (atomic_add(&thread_count, 0) == 0) {
+        /* No threads around, so exit main(). */
+        exit(0);
+    } else {
+        /* We're a thread */
+        exit_thread(0);
+    }
 }
 
 
@@ -153,107 +153,107 @@
 PyThread_type_lock PyThread_allocate_lock(void)
 {
 #ifdef FASTLOCK
-	fastmutex_t *lock;
+    fastmutex_t *lock;
 #else
-	sem_id sema;
+    sem_id sema;
 #endif
-	char name[OS_NAME_LENGTH];
-	atomic_t this_lock;
+    char name[OS_NAME_LENGTH];
+    atomic_t this_lock;
 
-	dprintf(("PyThread_allocate_lock called\n"));
+    dprintf(("PyThread_allocate_lock called\n"));
 
 #ifdef FASTLOCK
-	lock = (fastmutex_t *) malloc(sizeof(fastmutex_t));
-	if (lock == NULL) {
-		dprintf(("PyThread_allocate_lock failed: out of memory\n"));
-		return (PyThread_type_lock) NULL;
-	}
+    lock = (fastmutex_t *) malloc(sizeof(fastmutex_t));
+    if (lock == NULL) {
+        dprintf(("PyThread_allocate_lock failed: out of memory\n"));
+        return (PyThread_type_lock) NULL;
+    }
 #endif
-	this_lock = atomic_add(&lock_count, 1);
-	PyOS_snprintf(name, sizeof(name), "python lock (%d)", this_lock);
+    this_lock = atomic_add(&lock_count, 1);
+    PyOS_snprintf(name, sizeof(name), "python lock (%d)", this_lock);
 
 #ifdef FASTLOCK
-	if (fastmutex_create(name, lock) < 0) {
-		dprintf(("PyThread_allocate_lock failed: %s\n",
-			 strerror(errno)));
-		free(lock);
-		lock = NULL;
-	}
-	dprintf(("PyThread_allocate_lock()-> %p\n", lock));
-	return (PyThread_type_lock) lock;
+    if (fastmutex_create(name, lock) < 0) {
+        dprintf(("PyThread_allocate_lock failed: %s\n",
+                 strerror(errno)));
+        free(lock);
+        lock = NULL;
+    }
+    dprintf(("PyThread_allocate_lock()-> %p\n", lock));
+    return (PyThread_type_lock) lock;
 #else
-	sema = create_semaphore(name, 1, 0);
-	if (sema < 0) {
-		dprintf(("PyThread_allocate_lock failed: %s\n",
-			 strerror(errno)));
-		sema = 0;
-	}
-	dprintf(("PyThread_allocate_lock()-> %p\n", sema));
-	return (PyThread_type_lock) sema;
+    sema = create_semaphore(name, 1, 0);
+    if (sema < 0) {
+        dprintf(("PyThread_allocate_lock failed: %s\n",
+                 strerror(errno)));
+        sema = 0;
+    }
+    dprintf(("PyThread_allocate_lock()-> %p\n", sema));
+    return (PyThread_type_lock) sema;
 #endif
 }
 
 
 void PyThread_free_lock(PyThread_type_lock lock)
 {
-	dprintf(("PyThread_free_lock(%p) called\n", lock));
+    dprintf(("PyThread_free_lock(%p) called\n", lock));
 
 #ifdef FASTLOCK
-	if (fastmutex_destroy((fastmutex_t *) lock) < 0) {
-		dprintf(("PyThread_free_lock(%p) failed: %s\n", lock,
-			 strerror(errno)));
-	}
-	free(lock);
+    if (fastmutex_destroy((fastmutex_t *) lock) < 0) {
+        dprintf(("PyThread_free_lock(%p) failed: %s\n", lock,
+                 strerror(errno)));
+    }
+    free(lock);
 #else
-	if (delete_semaphore((sem_id) lock) < 0) {
-		dprintf(("PyThread_free_lock(%p) failed: %s\n", lock,
-			 strerror(errno)));
-	}
+    if (delete_semaphore((sem_id) lock) < 0) {
+        dprintf(("PyThread_free_lock(%p) failed: %s\n", lock,
+                 strerror(errno)));
+    }
 #endif
 }
 
 
 int PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)
 {
-	int retval;
+    int retval;
 
-	dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock,
-		 waitflag));
+    dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock,
+             waitflag));
 
 #ifdef FASTLOCK
-	if (waitflag)
-		retval = fastmutex_lock((fastmutex_t *) lock);
-	else
-		retval = fastmutex_timedlock((fastmutex_t *) lock, 0);
+    if (waitflag)
+        retval = fastmutex_lock((fastmutex_t *) lock);
+    else
+        retval = fastmutex_timedlock((fastmutex_t *) lock, 0);
 #else
-	if (waitflag)
-		retval = lock_semaphore((sem_id) lock);
-	else
-		retval = lock_semaphore_x((sem_id) lock, 1, 0, 0);
+    if (waitflag)
+        retval = lock_semaphore((sem_id) lock);
+    else
+        retval = lock_semaphore_x((sem_id) lock, 1, 0, 0);
 #endif
-	if (retval < 0) {
-		dprintf(("PyThread_acquire_lock(%p, %d) failed: %s\n",
-			 lock, waitflag, strerror(errno)));
-	}
-	dprintf(("PyThread_acquire_lock(%p, %d)-> %d\n", lock, waitflag,
-		 retval));
-	return retval < 0 ? 0 : 1;
+    if (retval < 0) {
+        dprintf(("PyThread_acquire_lock(%p, %d) failed: %s\n",
+                 lock, waitflag, strerror(errno)));
+    }
+    dprintf(("PyThread_acquire_lock(%p, %d)-> %d\n", lock, waitflag,
+             retval));
+    return retval < 0 ? 0 : 1;
 }
 
 
 void PyThread_release_lock(PyThread_type_lock lock)
 {
-	dprintf(("PyThread_release_lock(%p) called\n", lock));
+    dprintf(("PyThread_release_lock(%p) called\n", lock));
 
 #ifdef FASTLOCK
-	if (fastmutex_unlock((fastmutex_t *) lock) < 0) {
-		dprintf(("PyThread_release_lock(%p) failed: %s\n", lock,
-			 strerror(errno)));
-	}
+    if (fastmutex_unlock((fastmutex_t *) lock) < 0) {
+        dprintf(("PyThread_release_lock(%p) failed: %s\n", lock,
+                 strerror(errno)));
+    }
 #else
-	if (unlock_semaphore((sem_id) lock) < 0) {
-		dprintf(("PyThread_release_lock(%p) failed: %s\n", lock,
-			 strerror(errno)));
-	}
+    if (unlock_semaphore((sem_id) lock) < 0) {
+        dprintf(("PyThread_release_lock(%p) failed: %s\n", lock,
+                 strerror(errno)));
+    }
 #endif
 }