[PATCH] remove unnecessary asm/mutex.h from kernel/mutex-debug.c

Remove unnecessary (and incorrect) inclusion of asm/mutex.h, pointed out
by David Howells.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

kernel/mutex-debug.c

@@ -20,8 +20,6 @@
 #include <linux/kallsyms.h>
 #include <linux/interrupt.h>
 
-#include <asm/mutex.h>
-
 #include "mutex-debug.h"
 
 /*