Arguments in wrong order (SWAPPED_ARGUMENTS)
The positions of arguments in the call to
tight_fill_palette do not match the ordering of the parameters:
 &fg is passed to bg
 &bg is passed to fg

Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>