[media] v4l2-ioctl.c: fix overlay support

The vidioc_overlay op needs an unsigned int, not an unsigned int pointer.
So we need a small function that dereferences the unsigned int pointer.

Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
1 file changed