staging: bcm2835-camera: make video_device const

Make this const as it is only used in a copy operation.

Signed-off-by: Bhumika Goyal <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c

···
 	.mmap = vb2_fop_mmap,
 };
 
-static struct video_device vdev_template = {
+static const struct video_device vdev_template = {
 	.name = "camera0",
 	.fops = &camera0_fops,
 	.ioctl_ops = &camera0_ioctl_ops,