xwm: Fall back to WM_NAME if we don't have _NET_WM_NAME
xwm: Fall back to WM_NAME if we don't have _NET_WM_NAME

sir-murray/weston,kwm81/weston,Tarnyko/weston-xdg_surface_present,mchalupa/weston,xorgy/weston,giucam/weston,krezovic/weston,udoprog/weston,Tarnyko/weston-xdg_surface_present,eyolfson/weston,sir-murray/weston,Fantu/compositor-spice,Fantu/compositor-spice,jonnylamb/weston,xorgy/weston,Gnurou/weston,eyolfson/weston,kwm81/weston,Fantu/compositor-spice,jonnylamb/weston,udoprog/weston,mchalupa/weston,krezovic/weston,giucam/weston,Gnurou/weston