Adjust includes for the updated locations of ndn-cxx security headers

Change-Id: Id1e44e929541fdd1132a4b3e6366404232351e68
diff --git a/src/daemon/rrset-factory.hpp b/src/daemon/rrset-factory.hpp
index e8babc7..1773fe0 100644
--- a/src/daemon/rrset-factory.hpp
+++ b/src/daemon/rrset-factory.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2018, Regents of the University of California.
+ * Copyright (c) 2014-2020, Regents of the University of California.
  *
  * This file is part of NDNS (Named Data Networking Domain Name Service).
  * See AUTHORS.md for complete list of NDNS authors and contributors.
@@ -80,7 +80,7 @@
   generateCertRrset(const Name& label,
                     uint64_t version,
                     time::seconds ttl,
-                    const ndn::security::v2::Certificate& cert);
+                    const ndn::security::Certificate& cert);
 
   /**
    * @brief DoE records are just txt records of all entries of a zone