Added boost header

test/external/boost/ratio/include.hpp

@@ -0,0 +1,15 @@
+//  include.hpp  ---------------------------------------------------------------//
+
+//  Copyright 2011 Vicente J. Botet Escriba
+
+//  Distributed under the Boost Software License, Version 1.0.
+//  See http://www.boost.org/LICENSE_1_0.txt
+
+#ifndef BOOST_RATIO_INCLUDE_HPP
+#define BOOST_RATIO_INCLUDE_HPP
+
+#include <boost/ratio/ratio.hpp>
+#include <boost/ratio/ratio_io.hpp>
+#include <boost/ratio/mpl/rational_constant.hpp>
+
+#endif  // BOOST_RATIO_INCLUDE_HPP