radv: fix rendering to b10g11r11_ufloat_pack32

doom was causing a printf about an illegal color, it was due the
non-void returning -1, and the other function checking for 4,
align these.

Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
1 file changed