rib+tools: subscribe to FaceMonitor notifications using connect

refs #2350

Change-Id: I1b1b33cdcc3638c7344b6c690f928aff25aa5c8c
diff --git a/tools/nfd-autoreg.cpp b/tools/nfd-autoreg.cpp
index 0ad6841..c6de1f5 100644
--- a/tools/nfd-autoreg.cpp
+++ b/tools/nfd-autoreg.cpp
@@ -1,12 +1,12 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014,  Regents of the University of California,
- *                      Arizona Board of Regents,
- *                      Colorado State University,
- *                      University Pierre & Marie Curie, Sorbonne University,
- *                      Washington University in St. Louis,
- *                      Beijing Institute of Technology,
- *                      The University of Memphis
+ * Copyright (c) 2014-2015,  Regents of the University of California,
+ *                           Arizona Board of Regents,
+ *                           Colorado State University,
+ *                           University Pierre & Marie Curie, Sorbonne University,
+ *                           Washington University in St. Louis,
+ *                           Beijing Institute of Technology,
+ *                           The University of Memphis.
  *
  * This file is part of NFD (Named Data Networking Forwarding Daemon).
  * See AUTHORS.md for complete list of NFD authors and contributors.
@@ -234,7 +234,7 @@
         std::cout << "  " << *network << std::endl;
       }
 
-    m_faceMonitor.onNotification += bind(&AutoregServer::onNotification, this, _1);
+    m_faceMonitor.onNotification.connect(bind(&AutoregServer::onNotification, this, _1));
     m_faceMonitor.start();
 
     boost::asio::signal_set signalSet(m_face.getIoService(), SIGINT, SIGTERM);