compositor-x11: Always free output_mode on error.
compositor-x11: Always free output_mode on error.

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