gnetworkaddress: fix use-after-free for network address
This fixes an error where addr_enum can be used after finalization during complete_queued_task(). It steals the GSource to keep it alive and then releases it at the end.
This fixes an error where addr_enum can be used after finalization during complete_queued_task(). It steals the GSource to keep it alive and then releases it at the end.