media: v4l2-dev.h: move open brace after struct video_device

The open brace should be after a struct of define, that's good
for searching.
Signed-off-by: Yajun Deng <yajun.deng@linux.dev>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

include/media/v4l2-dev.h

@@ -260,8 +260,7 @@ struct v4l2_file_operations {
  *	Only set @dev_parent if that can't be deduced from @v4l2_dev.
  */
 
-struct video_device
-{
+struct video_device {
 #if defined(CONFIG_MEDIA_CONTROLLER)
 	struct media_entity entity;
 	struct media_intf_devnode *intf_devnode;