trivial: Symbolic stock icons are valid
trivial: Symbolic stock icons are valid

hughsie/appstream-glib,hughsie/appstream-glib,ximion/appstream-glib,ikeydoherty/appstream-glib,ikeydoherty/appstream-glib,ximion/appstream-glib,ximion/appstream-glib,hughsie/appstream-glib