xwm: Fix fd leak in weston_wm_send_data()
xwm: Fix fd leak in weston_wm_send_data()

The call to source->send(source, mime_type, p[1]); dups the fd, and we have
to close p[1] to not leak it.

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