Add missing include
Change-Id: Ia23bdb82fed477859c0b18f6247a1c923c84951b
diff --git a/src/daemon/db-mgr.hpp b/src/daemon/db-mgr.hpp
index 9e79223..04b9672 100644
--- a/src/daemon/db-mgr.hpp
+++ b/src/daemon/db-mgr.hpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
- * Copyright (c) 2014-2017, Regents of the University of California.
+ * Copyright (c) 2014-2018, 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.
@@ -24,6 +24,7 @@
#include "zone.hpp"
#include "rrset.hpp"
+#include <map>
#include <ndn-cxx/common.hpp>
#include <sqlite3.h>