Renamed thread.h to pythread.h.
diff --git a/Modules/threadmodule.c b/Modules/threadmodule.c
index 52d2eb2..3f32af2 100644
--- a/Modules/threadmodule.c
+++ b/Modules/threadmodule.c
@@ -40,7 +40,7 @@
 #error "Then run `make clean' followed by `make'."
 #endif
 
-#include "thread.h"
+#include "pythread.h"
 
 static PyObject *ThreadError;