util: switch to boost::asio::basic_waitable_timer
Change-Id: I2724befc86482adf84f59063e65509a116bb1b46
Refs: #4431
diff --git a/src/net/detail/network-monitor-impl-osx.hpp b/src/net/detail/network-monitor-impl-osx.hpp
index 809c638..93cd57a 100644
--- a/src/net/detail/network-monitor-impl-osx.hpp
+++ b/src/net/detail/network-monitor-impl-osx.hpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
- * Copyright (c) 2013-2017 Regents of the University of California.
+ * Copyright (c) 2013-2018 Regents of the University of California.
*
* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
*
@@ -37,6 +37,7 @@
#include <SystemConfiguration/SystemConfiguration.h>
#include <boost/asio/ip/udp.hpp>
+#include <map>
namespace ndn {
namespace net {