src/lsa-segment-storage: fix convergence w/o content store

refs: #4430

Change-Id: I5124e9fd49bd9850c904c31d221b42b4249553a3
diff --git a/tests/publisher/test-segment-publisher.cpp b/tests/publisher/test-segment-publisher.cpp
index e1a7232..a70e57f 100644
--- a/tests/publisher/test-segment-publisher.cpp
+++ b/tests/publisher/test-segment-publisher.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014-2017,  Regents of the University of California,
+ * Copyright (c) 2014-2018,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -110,8 +110,8 @@
     m_buffer.appendByteArray(payload.value(), payload.value_size());
 
     // uint64_t segmentNo = data.getName()[-1].toSegment();
-    if (data.getFinalBlockId() != data.getName()[-1]) {
-        return;
+    if (data.getFinalBlock().value_or(ndn::name::Component("")) != data.getName()[-1]) {
+      return;
     }
 
     // wrap data in a single Content TLV for easy parsing