Added boost header

test/external/boost/chrono/include.hpp

@@ -0,0 +1,23 @@
+
+//  include
+//
+//  (C) Copyright 2011 Vicente J. Botet Escriba
+//  Use, modification and distribution are subject to the Boost Software License,
+//  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt).
+//
+// This code was adapted by Vicente from Howard Hinnant's experimental work
+// on chrono i/o under lvm/libc++  to Boost
+
+#ifndef BOOST_CHRONO_INCLUDE_HPP
+#define BOOST_CHRONO_INCLUDE_HPP
+
+#include <boost/chrono/chrono.hpp>
+#include <boost/chrono/chrono_io.hpp>
+#include <boost/chrono/process_cpu_clocks.hpp>
+#include <boost/chrono/thread_clock.hpp>
+#include <boost/chrono/ceil.hpp>
+#include <boost/chrono/floor.hpp>
+#include <boost/chrono/round.hpp>
+
+#endif  // BOOST_CHRONO_INCLUDE_HPP