SW-462: fixed arguments for PostgresListener init.

SAS/ResourceAssignment/ResourceAssignmentDatabase/radbpglistener.py

@@ -45,7 +45,7 @@ class RADBPGListener(PostgresListener):
                  notification_prefix=DEFAULT_NOTIFICATION_PREFIX,
                  dbcreds=None,
                  broker=None):
-        super(RADBPGListener, self).__init__(dbcreds=dbcreds)
+        super(RADBPGListener, self).__init__(dbcreds.host, dbcreds.database, dbcreds.user, dbcreds.password)
 
         self.notification_prefix = notification_prefix
         self.event_bus = ToBus(notification_busname, broker=broker)