Fix compile failure in gupnp_network_manager_dispose
Fix compile failure in gupnp_network_manager_dispose

GNOME/gupnp,GNOME/gupnp,GNOME/gupnp,ZachGoldberg/gupnp-gi,ZachGoldberg/gupnp-gi,ZachGoldberg/gupnp-gi,GNOME/gupnp