#ifndef BOOST_VARIANT_DETAIL_HAS_RESULT_TYPE_HPP
#define BOOST_VARIANT_DETAIL_HAS_RESULT_TYPE_HPP
-#include "boost/config.hpp"
-#include "boost/type_traits/remove_reference.hpp"
+#include <boost/config.hpp>
+#include <boost/type_traits/remove_reference.hpp>
namespace boost { namespace detail { namespace variant {