msghandler: print given host instead of resolved one

modules/ffpb.py

@@ -127,8 +127,7 @@ def setup(bot):
 
         msgserver = ThreadingTCPServer((host, port), MsgHandler)
         msgserver.bot = bot
-        ipaddr, port = msgserver.server_address
-        print("Messaging server listening on {}:{}".format(ipaddr, port))
+        print("Messaging server listening on {}:{}".format(host, port))
 
         msgserver_thread = threading.Thread(target=msgserver.serve_forever)
         msgserver_thread.daemon = True