pan_pack_color() color was missing the 24-bit packed format case.
Looks like putting the clear color in a 32-bit slot does the trick.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>