ndnboost: Include boost::iostreams for internal use.
diff --git a/include/ndnboost/iostreams/detail/fstream.hpp b/include/ndnboost/iostreams/detail/fstream.hpp
new file mode 100644
index 0000000..50620a7
--- /dev/null
+++ b/include/ndnboost/iostreams/detail/fstream.hpp
@@ -0,0 +1,33 @@
+// (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_FSTREAM_HPP_INCLUDED
+#define NDNBOOST_IOSTREAMS_DETAIL_FSTREAM_HPP_INCLUDED
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#include <ndnboost/iostreams/detail/config/wide_streams.hpp>
+#ifndef NDNBOOST_IOSTREAMS_NO_STREAM_TEMPLATES
+# include <fstream>
+#else
+# include <fstream.h>
+#endif
+
+#ifndef NDNBOOST_IOSTREAMS_NO_STREAM_TEMPLATES
+# define NDNBOOST_IOSTREAMS_BASIC_IFSTREAM(Ch, Tr) std::basic_ifstream<Ch, Tr>
+# define NDNBOOST_IOSTREAMS_BASIC_OFSTREAM(Ch, Tr) std::basic_ofstream<Ch, Tr>
+# define NDNBOOST_IOSTREAMS_BASIC_FSTREAM(Ch, Tr) std::basic_fstream<Ch, Tr>
+# define NDNBOOST_IOSTREAMS_BASIC_FILEBUF(Ch) std::basic_filebuf<Ch>
+#else
+# define NDNBOOST_IOSTREAMS_BASIC_IFSTREAM(Ch, Tr) std::ifstream
+# define NDNBOOST_IOSTREAMS_BASIC_OFSTREAM(Ch, Tr) std::ofstream
+# define NDNBOOST_IOSTREAMS_BASIC_FILEBUF(Ch) std::filebuf
+#endif
+
+#endif // #ifndef NDNBOOST_IOSTREAMS_DETAIL_FSTREAM_HPP_INCLUDED