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.h b/include/media/video-buf.h
index 8ecfd78..d90dec5 100644
--- a/include/media/video-buf.h
+++ b/include/media/video-buf.h
@@ -177,7 +177,7 @@
 };
 
 struct videobuf_queue {
-	struct semaphore           lock;
+	struct mutex               lock;
 	spinlock_t                 *irqlock;
 	struct pci_dev             *pci;