V4L/DVB (5418): Speed is a signed 32-bit integer, not unsigned.

From: Hans Verkuil <hverkuil@xs4all.nl>

Negative speed values have to be allowed for reverse playback.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---

 include/linux/dvb/video.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/linux/dvb/video.h b/include/linux/dvb/video.h
index 0c2a1c7..4c31491 100644
--- a/include/linux/dvb/video.h
+++ b/include/linux/dvb/video.h
@@ -110,7 +110,7 @@ struct video_command {
 		} stop;
 
 		struct {
-			__u32 speed;
+			__s32 speed;
 			__u32 format;
 		} play;