Replace remaining uses of BOOST_THROW_EXCEPTION with NDN_THROW

Change-Id: I0c149acbe5607d928cdf9e8d73813d5e74ca45d0
diff --git a/src/lsdb.cpp b/src/lsdb.cpp
index fb4bcb7..a2f552d 100644
--- a/src/lsdb.cpp
+++ b/src/lsdb.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2020,  The University of Memphis,
+ * Copyright (c) 2014-2021,  The University of Memphis,
  *                           Regents of the University of California,
  *                           Arizona Board of Regents.
  *
@@ -213,7 +213,7 @@
 }
 
 void
-Lsdb::installLsa(shared_ptr<Lsa> lsa)
+Lsdb::installLsa(std::shared_ptr<Lsa> lsa)
 {
   auto timeToExpire = m_lsaRefreshTime;