added boost file

3rdParty/boost/1.58.0/boost/atomic.hpp

@@ -0,0 +1,18 @@
+#ifndef BOOST_ATOMIC_HPP
+#define BOOST_ATOMIC_HPP
+
+//  Copyright (c) 2011 Helge Bahmann
+//
+//  Distributed under 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 header includes all Boost.Atomic public headers
+
+#include <boost/atomic/atomic.hpp>
+
+#ifdef BOOST_HAS_PRAGMA_ONCE
+#pragma once
+#endif
+
+#endif