Fix build with latest ndn-cxx

Change-Id: I016e054fcb80ef30c27dbf8d77085c38a748dfe1
diff --git a/tests/unit/encryptor.t.cpp b/tests/unit/encryptor.t.cpp
index 4a2e0a9..5c486f7 100644
--- a/tests/unit/encryptor.t.cpp
+++ b/tests/unit/encryptor.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2023, Regents of the University of California
+ * Copyright (c) 2014-2024, Regents of the University of California
  *
  * NAC library is free software: you can redistribute it and/or modify it under the
  * terms of the GNU Lesser General Public License as published by the Free Software
@@ -59,7 +59,7 @@
   {
     StaticData data;
     for (const auto& block : data.managerPackets) {
-      m_ims.insert(*make_shared<Data>(block));
+      m_ims.insert(*std::make_shared<Data>(block));
     }
     advanceClocks(1_ms, 10);
   }