face: Implementing Face::getUri() method

Change-Id: I9a9f774b95784e5b7ec75472f1cc6cf64c4e5d7b
Refs: #1319
diff --git a/daemon/face/multicast-udp-face.cpp b/daemon/face/multicast-udp-face.cpp
index edd2ff4..e56c147 100644
--- a/daemon/face/multicast-udp-face.cpp
+++ b/daemon/face/multicast-udp-face.cpp
@@ -12,7 +12,7 @@
 
 
 MulticastUdpFace::MulticastUdpFace(const shared_ptr<MulticastUdpFace::protocol::socket>& socket)
-  : UdpFace(socket)
+  : DatagramFace<protocol>(FaceUri(socket->local_endpoint()), socket)
 {
   NFD_LOG_DEBUG("Face creation. Multicast group: "
                 << m_socket->local_endpoint());