cms-static: Don't crash on outputs with NULL name
cms-static: Don't crash on outputs with NULL name

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