src: use /localhop component in Sync prefix

refs: #3627

Change-Id: I666f4072601cf7b66bcde632c31c632fabe6e684
diff --git a/src/conf-parameter.hpp b/src/conf-parameter.hpp
index d062386..c0d719b 100644
--- a/src/conf-parameter.hpp
+++ b/src/conf-parameter.hpp
@@ -120,7 +120,8 @@
   setNetwork(const ndn::Name& networkName)
   {
     m_network = networkName;
-    m_chronosyncPrefix = m_network;
+
+    m_chronosyncPrefix.append("localhop");
     m_chronosyncPrefix.append("NLSR");
     m_chronosyncPrefix.append("sync");
 
diff --git a/tests/test-conf-file-processor.cpp b/tests/test-conf-file-processor.cpp
index 497c299..a47e2a9 100644
--- a/tests/test-conf-file-processor.cpp
+++ b/tests/test-conf-file-processor.cpp
@@ -222,7 +222,7 @@
   BOOST_CHECK_EQUAL(conf.getSiteName(), "/memphis.edu/");
   BOOST_CHECK_EQUAL(conf.getRouterName(), "/cs/pollux/");
   BOOST_CHECK_EQUAL(conf.getRouterPrefix(), "/ndn/memphis.edu/cs/pollux/");
-  BOOST_CHECK_EQUAL(conf.getChronosyncPrefix(), "/ndn/NLSR/sync");
+  BOOST_CHECK_EQUAL(conf.getChronosyncPrefix(), "/localhop/NLSR/sync");
   BOOST_CHECK_EQUAL(conf.getLsaPrefix(), "/ndn/NLSR/LSA");
   BOOST_CHECK_EQUAL(conf.getLsaRefreshTime(), 1800);
   BOOST_CHECK_EQUAL(conf.getLsaInterestLifetime(), ndn::time::seconds(3));