Untabify C files. Will watch buildbots.
diff --git a/PC/VS7.1/make_buildinfo.c b/PC/VS7.1/make_buildinfo.c
index 27580bb..2aa2b66 100644
--- a/PC/VS7.1/make_buildinfo.c
+++ b/PC/VS7.1/make_buildinfo.c
@@ -21,72 +21,72 @@
 
 int make_buildinfo2()
 {
-	struct _stat st;
-	HKEY hTortoise;
-	char command[500];
-	DWORD type, size;
-	if (_stat(".svn", &st) < 0)
-		return 0;
-	/* Allow suppression of subwcrev.exe invocation if a no_subwcrev file is present. */
-	if (_stat("no_subwcrev", &st) == 0)
-		return 0;
-	if (RegOpenKey(HKEY_LOCAL_MACHINE, "Software\\TortoiseSVN", &hTortoise) != ERROR_SUCCESS &&
-	    RegOpenKey(HKEY_CURRENT_USER, "Software\\TortoiseSVN", &hTortoise) != ERROR_SUCCESS)
-		/* Tortoise not installed */
-		return 0;
-	command[0] = '"';  /* quote the path to the executable */
-	size = sizeof(command) - 1;
-	if (RegQueryValueEx(hTortoise, "Directory", 0, &type, command+1, &size) != ERROR_SUCCESS ||
-	    type != REG_SZ)
-		/* Registry corrupted */
-		return 0;
-	strcat(command, "bin\\subwcrev.exe");
-	if (_stat(command+1, &st) < 0)
-		/* subwcrev.exe not part of the release */
-		return 0;
-	strcat(command, "\" ..\\.. ..\\..\\Modules\\getbuildinfo.c getbuildinfo2.c");
-	puts(command); fflush(stdout);
-	if (system(command) < 0)
-		return 0;
-	return 1;
+    struct _stat st;
+    HKEY hTortoise;
+    char command[500];
+    DWORD type, size;
+    if (_stat(".svn", &st) < 0)
+        return 0;
+    /* Allow suppression of subwcrev.exe invocation if a no_subwcrev file is present. */
+    if (_stat("no_subwcrev", &st) == 0)
+        return 0;
+    if (RegOpenKey(HKEY_LOCAL_MACHINE, "Software\\TortoiseSVN", &hTortoise) != ERROR_SUCCESS &&
+        RegOpenKey(HKEY_CURRENT_USER, "Software\\TortoiseSVN", &hTortoise) != ERROR_SUCCESS)
+        /* Tortoise not installed */
+        return 0;
+    command[0] = '"';  /* quote the path to the executable */
+    size = sizeof(command) - 1;
+    if (RegQueryValueEx(hTortoise, "Directory", 0, &type, command+1, &size) != ERROR_SUCCESS ||
+        type != REG_SZ)
+        /* Registry corrupted */
+        return 0;
+    strcat(command, "bin\\subwcrev.exe");
+    if (_stat(command+1, &st) < 0)
+        /* subwcrev.exe not part of the release */
+        return 0;
+    strcat(command, "\" ..\\.. ..\\..\\Modules\\getbuildinfo.c getbuildinfo2.c");
+    puts(command); fflush(stdout);
+    if (system(command) < 0)
+        return 0;
+    return 1;
 }
 
 int main(int argc, char*argv[])
 {
-	char command[500] = "cl.exe -c -D_WIN32 -DUSE_DL_EXPORT -D_WINDOWS -DWIN32 -D_WINDLL ";
-	int do_unlink, result;
-	if (argc != 2) {
-		fprintf(stderr, "make_buildinfo $(ConfigurationName)\n");
-		return EXIT_FAILURE;
-	}
-	if (strcmp(argv[1], "Release") == 0) {
-		strcat(command, "-MD ");
-	}
-	else if (strcmp(argv[1], "Debug") == 0) {
-		strcat(command, "-D_DEBUG -MDd ");
-	}
-	else if (strcmp(argv[1], "ReleaseItanium") == 0) {
-		strcat(command, "-MD /USECL:MS_ITANIUM ");
-	}
-	else if (strcmp(argv[1], "ReleaseAMD64") == 0) {
-		strcat(command, "-MD ");
-		strcat(command, "-MD /USECL:MS_OPTERON ");
-	}
-	else {
-		fprintf(stderr, "unsupported configuration %s\n", argv[1]);
-		return EXIT_FAILURE;
-	}
+    char command[500] = "cl.exe -c -D_WIN32 -DUSE_DL_EXPORT -D_WINDOWS -DWIN32 -D_WINDLL ";
+    int do_unlink, result;
+    if (argc != 2) {
+        fprintf(stderr, "make_buildinfo $(ConfigurationName)\n");
+        return EXIT_FAILURE;
+    }
+    if (strcmp(argv[1], "Release") == 0) {
+        strcat(command, "-MD ");
+    }
+    else if (strcmp(argv[1], "Debug") == 0) {
+        strcat(command, "-D_DEBUG -MDd ");
+    }
+    else if (strcmp(argv[1], "ReleaseItanium") == 0) {
+        strcat(command, "-MD /USECL:MS_ITANIUM ");
+    }
+    else if (strcmp(argv[1], "ReleaseAMD64") == 0) {
+        strcat(command, "-MD ");
+        strcat(command, "-MD /USECL:MS_OPTERON ");
+    }
+    else {
+        fprintf(stderr, "unsupported configuration %s\n", argv[1]);
+        return EXIT_FAILURE;
+    }
 
-	if ((do_unlink = make_buildinfo2()))
-		strcat(command, "getbuildinfo2.c -DSUBWCREV ");
-	else
-		strcat(command, "..\\..\\Modules\\getbuildinfo.c");
-	strcat(command, " -Fogetbuildinfo.o -I..\\..\\Include -I..\\..\\PC");
-	puts(command); fflush(stdout);
-	result = system(command);
-	if (do_unlink)
-		unlink("getbuildinfo2.c");
-	if (result < 0)
-		return EXIT_FAILURE;
-	return 0;
+    if ((do_unlink = make_buildinfo2()))
+        strcat(command, "getbuildinfo2.c -DSUBWCREV ");
+    else
+        strcat(command, "..\\..\\Modules\\getbuildinfo.c");
+    strcat(command, " -Fogetbuildinfo.o -I..\\..\\Include -I..\\..\\PC");
+    puts(command); fflush(stdout);
+    result = system(command);
+    if (do_unlink)
+        unlink("getbuildinfo2.c");
+    if (result < 0)
+        return EXIT_FAILURE;
+    return 0;
 }