[ALSA] semaphore -> mutex (driver 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/sound/synth/emux/emux.c b/sound/synth/emux/emux.c
index 7c8e328..fc733bb 100644
--- a/sound/synth/emux/emux.c
+++ b/sound/synth/emux/emux.c
@@ -45,7 +45,7 @@
 		return -ENOMEM;
 
 	spin_lock_init(&emu->voice_lock);
-	init_MUTEX(&emu->register_mutex);
+	mutex_init(&emu->register_mutex);
 
 	emu->client = -1;
 #ifdef CONFIG_SND_SEQUENCER_OSS