Fix unstable super_calback's list for g_vfs_register_uri_scheme
Fix unstable super_calback's list for g_vfs_register_uri_scheme

GuillaumeGomez/gir,gtk-rs/gir,gtk-rs/gir,EPashkin/gir,GuillaumeGomez/gir,GuillaumeGomez/gir,EPashkin/gir,gtk-rs/gir