src: Remove unnecessary uses of boost::cref in make_shared and replace boost::cref/boost::ref with just cref/ref

In some cases, due to argument-dependent lookup, it is necessary to use
ndn::ref, instead of just ref.

Change-Id: I682180a007609535855f77511b49622154ad4f11
Refs: #1591
diff --git a/daemon/face/udp-channel.hpp b/daemon/face/udp-channel.hpp
index f97c3a3..73403aa 100644
--- a/daemon/face/udp-channel.hpp
+++ b/daemon/face/udp-channel.hpp
@@ -124,8 +124,7 @@
    *        associated with any UdpFace
    */
   void
-  newPeer(const boost::system::error_code& error,
-                   std::size_t nBytesReceived);
+  newPeer(const boost::system::error_code& error, std::size_t nBytesReceived);
 
   void
   handleEndpointResolution(const boost::system::error_code& error,