Always return errors from the correct domain when parsing broken AppData files
Always return errors from the correct domain when parsing broken AppData files

Resolves: https://bugzilla.gnome.org/show_bug.cgi?id=741343

mitya57/appstream-glib,ximion/appstream-glib,kalev/appstream-glib,ikeydoherty/appstream-glib,hughsie/appstream-glib,ikeydoherty/appstream-glib,superm1/appstream-glib,hughsie/appstream-glib,ximion/appstream-glib,hughsie/appstream-glib,ximion/appstream-glib,mitya57/appstream-glib,kalev/appstream-glib,superm1/appstream-glib