Renamed thread.h to pythread.h.
diff --git a/Python/import.c b/Python/import.c
index c8bbc29..32dc319 100644
--- a/Python/import.c
+++ b/Python/import.c
@@ -119,7 +119,7 @@
 
 #ifdef WITH_THREAD
 
-#include "thread.h"
+#include "pythread.h"
 
 static type_lock import_lock = 0;
 static long import_lock_thread = -1;