Added boost header

test/external/boost/parameter/aux_/void.hpp

@@ -0,0 +1,29 @@
+// Copyright Daniel Wallin, David Abrahams 2005. Use, modification and
+// distribution is subject to 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)
+
+#ifndef BOOST_PARAMETER_VOID_050329_HPP
+#define BOOST_PARAMETER_VOID_050329_HPP
+
+namespace boost { namespace parameter { 
+
+// A placemarker for "no argument passed."
+// MAINTAINER NOTE: Do not make this into a metafunction
+struct void_ {}; 
+
+namespace aux 
+{
+
+  inline void_& void_reference()
+  {
+      static void_ instance;
+      return instance;
+  }
+
+} // namespace aux
+
+}} // namespace boost::parameter
+
+#endif // BOOST_PARAMETER_VOID_050329_HPP
+