nlsr: refactor Adjacent to use FaceUri objects

Change-Id: Ib46f70570669c381572182eeea5c047a38a05104
refs: #4063
diff --git a/src/publisher/lsa-publisher.cpp b/src/publisher/lsa-publisher.cpp
index 3d16581..7060c05 100644
--- a/src/publisher/lsa-publisher.cpp
+++ b/src/publisher/lsa-publisher.cpp
@@ -52,7 +52,7 @@
     for (const Adjacent& adj : lsa.getAdl().getAdjList()) {
       tlv::Adjacency tlvAdj;
       tlvAdj.setName(adj.getName());
-      tlvAdj.setUri(adj.getConnectingFaceUri());
+      tlvAdj.setUri(adj.getFaceUri().toString());
       tlvAdj.setCost(adj.getLinkCost());
       tlvLsa.addAdjacency(tlvAdj);
     }