[ALSA] semaphore -> mutex (core part)

Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/include/sound/hwdep.h b/include/sound/hwdep.h
index c679e5b..94c387b 100644
--- a/include/sound/hwdep.h
+++ b/include/sound/hwdep.h
@@ -60,7 +60,7 @@
 	void *private_data;
 	void (*private_free) (struct snd_hwdep *hwdep);
 
-	struct semaphore open_mutex;
+	struct mutex open_mutex;
 	int used;
 	unsigned int dsp_loaded;
 	unsigned int exclusive: 1;