[media] vimc: sen: Declare vimc_sen_video_ops as static

Declare vimc_sen_video_ops as static, remove warning from sparse tool
Signed-off-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/platform/vimc/vimc-sensor.c

@@ -282,7 +282,7 @@ static int vimc_sen_s_stream(struct v4l2_subdev *sd, int enable)
 	return 0;
 }
 
-struct v4l2_subdev_video_ops vimc_sen_video_ops = {
+static struct v4l2_subdev_video_ops vimc_sen_video_ops = {
 	.s_stream = vimc_sen_s_stream,
 };