ndnboost: Include boost::iostreams for internal use.
diff --git a/include/ndnboost/iostreams/detail/push_params.hpp b/include/ndnboost/iostreams/detail/push_params.hpp
new file mode 100644
index 0000000..bbb214c
--- /dev/null
+++ b/include/ndnboost/iostreams/detail/push_params.hpp
@@ -0,0 +1,21 @@
+// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
+// (C) Copyright 2003-2007 Jonathan Turkanis
+// 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/iostreams for documentation.
+
+#ifndef NDNBOOST_IOSTREAMS_DETAIL_PUSH_PARAMS_HPP_INCLUDED
+#define NDNBOOST_IOSTREAMS_DETAIL_PUSH_PARAMS_HPP_INCLUDED
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#define NDNBOOST_IOSTREAMS_PUSH_PARAMS() \
+ , std::streamsize buffer_size = -1 , std::streamsize pback_size = -1 \
+ /**/
+
+#define NDNBOOST_IOSTREAMS_PUSH_ARGS() , buffer_size, pback_size
+
+#endif // #ifndef NDNBOOST_IOSTREAMS_DETAIL_PUSH_PARAMS_HPP_INCLUDED