add missing location when disambiguating controller IP

prevented ip=* from resolving correctly engine-side

This bug was introduced in the connection cleanup after 0.13,
so does not need backporting.

IPython/parallel/apps/ipengineapp.py

@@ -226,7 +226,7 @@ def load_connector_file(self):
         location = config.EngineFactory.location
 
         proto, ip = d['interface'].split('://')
-        ip = disambiguate_ip_address(ip)
+        ip = disambiguate_ip_address(ip, location)
         d['interface'] = '%s://%s' % (proto, ip)
 
         # DO NOT allow override of basic URLs, serialization, or exec_key