Squashed 'third_party/boostorg/smart_ptr/' content from commit e37cd41

Change-Id: Ib1d9c588d60cbb7a3bad5a6f8b7e4761af21be72
git-subtree-dir: third_party/boostorg/smart_ptr
git-subtree-split: e37cd4154f492b3cd2ea8e87806614ffddf1163a
diff --git a/include/boost/shared_ptr.hpp b/include/boost/shared_ptr.hpp
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+++ b/include/boost/shared_ptr.hpp
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+#ifndef BOOST_SHARED_PTR_HPP_INCLUDED
+#define BOOST_SHARED_PTR_HPP_INCLUDED
+
+//
+//  shared_ptr.hpp
+//
+//  (C) Copyright Greg Colvin and Beman Dawes 1998, 1999.
+//  Copyright (c) 2001-2008 Peter Dimov
+//
+//  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)
+//
+//  See http://www.boost.org/libs/smart_ptr/ for documentation.
+//
+
+#include <boost/smart_ptr/shared_ptr.hpp>
+
+#endif  // #ifndef BOOST_SHARED_PTR_HPP_INCLUDED