Move away from port 8080 which is occupied on some boxes

tests/test_stream.cpp

@@ -173,12 +173,12 @@ test_stream_to_stream (void)
     
     void *server = zmq_socket (ctx, ZMQ_STREAM);
     assert (server);
-    rc = zmq_bind (server, "tcp://127.0.0.1:8080");
+    rc = zmq_bind (server, "tcp://127.0.0.1:9080");
     assert (rc == 0);
 
     void *client = zmq_socket (ctx, ZMQ_STREAM);
     assert (client);
-    rc = zmq_connect (client, "tcp://localhost:8080");
+    rc = zmq_connect (client, "tcp://localhost:9080");
     assert (rc == 0);
     //  It would be less surprising to get an empty message instead
     //  of having to fetch the identity like this [PH 2013/06/27]