V4L/DVB (3318b): sem2mutex: drivers/media/, #2

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: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/include/media/video-buf-dvb.h b/include/media/video-buf-dvb.h
index ad0a07a..b78d90f 100644
--- a/include/media/video-buf-dvb.h
+++ b/include/media/video-buf-dvb.h
@@ -11,7 +11,7 @@
 	struct videobuf_queue      dvbq;
 
 	/* video-buf-dvb state info */
-	struct semaphore           lock;
+	struct mutex               lock;
 	struct task_struct         *thread;
 	int                        nfeeds;