scanner: Add location to elements so we can give better errors/warnings
scanner: Add location to elements so we can give better errors/warnings

eyolfson/wayland,eyolfson/wayland,abooij/wayland,bitfactor/wayland,mchalupa/wayland,sir-murray/wayland,bitfactor/wayland,abooij/wayland,tulcod/wayland,abooij/wayland,sir-murray/wayland,mchalupa/wayland,sir-murray/wayland,eyolfson/wayland,mchalupa/wayland,tulcod/wayland,tulcod/wayland,bitfactor/wayland