Downgrade too-frequent "nothing happened" message from info to debug

svn:r5200

src/or/connection.c

@@ -883,7 +883,7 @@ retry_listeners(int type, config_line_t *cfg,
       }
     } else {
       /* It's configured; we don't need to launch it. */
-      log_fn(LOG_INFO, "Already have %s on %s:%d",
+      log_fn(LOG_DEBUG, "Already have %s on %s:%d",
              conn_type_to_string(type), conn->address, conn->port);
       smartlist_remove(launch, line);
       if (free_launch_elts)