This eliminates a poorly-named, poorly-documented field from the
ScreenRec, using a previously-unused flag bit in each GC instead.
Signed-off-by: Jamey Sharp <jamey@minilop.net>
Cc: Keith Packard <keithp@keithp.com>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>