only check pixmap argb state for non-X11 clients
only check pixmap argb state for non-X11 clients

non-argb windows can have argb pixmaps.

ref 6d397e313b9c402167cc3206b19a8ca60a2525ea

tasn/enlightenment,rvandegrift/e,rvandegrift/e,tasn/enlightenment,rvandegrift/e,tasn/enlightenment