Avoid using deprecated ndn-cxx type aliases

Change-Id: I55fd500377698adc8035113bdff2d64091a36e07
diff --git a/src/lsa/coordinate-lsa.cpp b/src/lsa/coordinate-lsa.cpp
index fb268b2..b94d173 100644
--- a/src/lsa/coordinate-lsa.cpp
+++ b/src/lsa/coordinate-lsa.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2022,  The University of Memphis,
+ * Copyright (c) 2014-2023,  The University of Memphis,
  *                           Regents of the University of California,
  *                           Arizona Board of Regents.
  *
@@ -27,7 +27,7 @@
 namespace nlsr {
 
 CoordinateLsa::CoordinateLsa(const ndn::Name& originRouter, uint64_t seqNo,
-                             const ndn::time::system_clock::TimePoint& timepoint,
+                             const ndn::time::system_clock::time_point& timepoint,
                              double radius, std::vector<double> angles)
   : Lsa(originRouter, seqNo, timepoint)
   , m_hyperbolicRadius(radius)