[media] uvcvideo: Make uvc_commit_video() static

The function is not used outside of its compilation unit. Make it
static.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c
index d8666ec..b953dae 100644
--- a/drivers/media/video/uvc/uvc_video.c
+++ b/drivers/media/video/uvc/uvc_video.c
@@ -351,8 +351,8 @@
 	return ret;
 }
 
-int uvc_commit_video(struct uvc_streaming *stream,
-	struct uvc_streaming_control *probe)
+static int uvc_commit_video(struct uvc_streaming *stream,
+			    struct uvc_streaming_control *probe)
 {
 	return uvc_set_video_ctrl(stream, probe, 0);
 }