chunks+peek: stop using deprecated {get,set}FinalBlockId

Change-Id: I64ae1c33a6f83af34b3db3d5f48cee3f3e7b7cb1
Refs: #4526
diff --git a/tests/chunks/pipeline-interests-fixture.hpp b/tests/chunks/pipeline-interests-fixture.hpp
index f94360d..c9979fd 100644
--- a/tests/chunks/pipeline-interests-fixture.hpp
+++ b/tests/chunks/pipeline-interests-fixture.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2016-2017, Regents of the University of California,
+ * Copyright (c) 2016-2018, Regents of the University of California,
  *                          Colorado State University,
  *                          University Pierre & Marie Curie, Sorbonne University.
  *
@@ -55,7 +55,7 @@
   {
     auto data = make_shared<Data>(Name(name).appendVersion(0).appendSegment(segmentNo));
     if (setFinalBlockId)
-      data->setFinalBlockId(name::Component::fromSegment(nDataSegments - 1));
+      data->setFinalBlock(name::Component::fromSegment(nDataSegments - 1));
     return signData(data);
   }