src: Discard usage of std::pair of reference type and rename functions

	Refs: #1531

Change-Id: Ief2a525b8fb8addbd491d202d6b02d5db2b41ea4
diff --git a/src/nlsr.hpp b/src/nlsr.hpp
index bef8189..ac254c3 100644
--- a/src/nlsr.hpp
+++ b/src/nlsr.hpp
@@ -33,13 +33,13 @@
   Nlsr()
     : m_io(new boost::asio::io_service)
     , m_nlsrFace(new Face(ndn::shared_ptr<boost::asio::io_service>(&*m_io,
-                                                              &NullDeleter)))
+                                                                   &NullDeleter)))
     , m_scheduler(*m_io)
     , m_confParam()
     , m_adl()
     , m_npl()
-    , m_im()
-    , m_dm()
+    , m_im(*this)
+    , m_dm(*this)
     , m_sm()
     , m_km()
     , m_isDaemonProcess(false)