Use ndn-cxx logging facility

refs: #3949

Change-Id: I5d0931c3576c88e0c2fa52bdd0a716946400e0bc
diff --git a/src/hello-protocol.cpp b/src/hello-protocol.cpp
index fbb4f5b..0c2d2d3 100644
--- a/src/hello-protocol.cpp
+++ b/src/hello-protocol.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014-2017,  The University of Memphis,
+ * Copyright (c) 2014-2018,  The University of Memphis,
  *                           Regents of the University of California
  *
  * This file is part of NLSR (Named-data Link State Routing).
@@ -27,7 +27,7 @@
 
 namespace nlsr {
 
-INIT_LOGGER("HelloProtocol");
+INIT_LOGGER(HelloProtocol);
 
 const std::string HelloProtocol::INFO_COMPONENT = "INFO";
 const std::string HelloProtocol::NLSR_COMPONENT = "NLSR";