staging: xgifb: replace video_type with FB_TYPE_PACKED_PIXELS

Replace a global variable with a constant.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Reviewed-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2 files changed