Reapply fix for EXPORT_C problem in backend.dll, which got lost in the merge - bug 2971
#ifndef BOOST_MPL_ARITHMETIC_HPP_INCLUDED
#define BOOST_MPL_ARITHMETIC_HPP_INCLUDED
// Copyright Aleksey Gurtovoy 2000-2004
//
// 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/mpl for documentation.
// $Source: /cvsroot/boost/boost/boost/mpl/arithmetic.hpp,v $
// $Date: 2004/09/02 15:40:41 $
// $Revision: 1.5 $
#include <boost/mpl/plus.hpp>
#include <boost/mpl/minus.hpp>
#include <boost/mpl/times.hpp>
#include <boost/mpl/divides.hpp>
#include <boost/mpl/modulus.hpp>
#include <boost/mpl/negate.hpp>
#include <boost/mpl/multiplies.hpp> // deprecated
#endif // BOOST_MPL_ARITHMETIC_HPP_INCLUDED