wcap-decode: Close file descriptor when destroying the decoder
wcap-decode: Close file descriptor when destroying the decoder

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