src: Implement packet statistics collection

refs: #2955, #2956

Change-Id: I57476a63562dbd378e566ad0280c89ccc5883e3e
diff --git a/src/nlsr.cpp b/src/nlsr.cpp
index 55d426a..70648e3 100644
--- a/src/nlsr.cpp
+++ b/src/nlsr.cpp
@@ -81,6 +81,7 @@
   , m_nfdRibCommandProcessor(m_localhostDispatcher,
                              m_namePrefixList,
                              m_nlsrLsdb)
+  , m_statsCollector(m_nlsrLsdb, m_helloProtocol)
   , m_faceMonitor(m_nlsrFace)
   , m_firstHelloInterval(FIRST_HELLO_INTERVAL_DEFAULT)
 {