gobject: add g_autoptr support for GTypeModule
gobject: add g_autoptr support for GTypeModule

https://bugzilla.gnome.org/show_bug.cgi?id=769033

johne53/MB3Glib,endlessm/glib,johne53/MB3Glib,johne53/MB3Glib,endlessm/glib,johne53/MB3Glib,johne53/MB3Glib,johne53/MB3Glib,endlessm/glib,endlessm/glib,endlessm/glib