This fixes non-Metal builds.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52216Signed-off-by: Keno Fischer <keno@juliacomputing.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>