Fix surface coordinate transformation.
Fix surface coordinate transformation.

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