Migrate to ndn-cxx 0.7.1: Part 1

Change-Id: I621a6230272cfde5d84aa5ca9abdf40a91337491
diff --git a/tests/unit-tests/bench.t.cpp b/tests/unit-tests/bench.t.cpp
index 13adf8c..1766a18 100644
--- a/tests/unit-tests/bench.t.cpp
+++ b/tests/unit-tests/bench.t.cpp
@@ -101,7 +101,7 @@
   // generate NEW Interest
   CaProfile item;
   item.m_caPrefix = Name("/ndn");
-  item.m_cert = std::make_shared<security::v2::Certificate>(cert);
+  item.m_cert = std::make_shared<security::Certificate>(cert);
   RequesterState state(m_keyChain, item, RequestType::NEW);
   auto newInterest = Requester::genNewInterest(state, Name("/ndn/alice"),
                                                time::system_clock::now(),