window: destroy all inputs on display_destroy()
window: destroy all inputs on display_destroy()

Signed-off-by: Pekka Paalanen <6c0263d81461c956d504307112a4ce25eaacc3d1@gmail.com>

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