Fix rgb byte order for GdkPixbuf backgrounds.
Fix rgb byte order for GdkPixbuf backgrounds.

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