libweston-desktop/xwayland: debug commits

Helps tracking what happens with XWM.

Use the same debugging guard as XWM.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Quentin Glidic <sardemff7+git@sardemff7.net>
1 file changed