ndnboost: Include boost::iostreams for internal use.
diff --git a/include/ndnboost/iostreams/detail/file_handle.hpp b/include/ndnboost/iostreams/detail/file_handle.hpp
new file mode 100644
index 0000000..4f35d1d
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+++ b/include/ndnboost/iostreams/detail/file_handle.hpp
@@ -0,0 +1,32 @@
+/*
+ * 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.
+ *
+ * File: ndnboost/iostreams/detail/file_handle.hpp
+ * Date: Sun Jun 22 14:23:12 MDT 2008
+ * Copyright: 2008 CodeRage, LLC
+ * Author: Jonathan Turkanis
+ * Contact: turkanis at coderage dot com
+ *
+ * Defines the type ndnboost::iostreams::detail::file_handle, representing an
+ * operating system file handle.
+ */
+
+#ifndef NDNBOOST_IOSTREAMS_DETAIL_FILE_HANDLE_HPP_INCLUDED
+#define NDNBOOST_IOSTREAMS_DETAIL_FILE_HANDLE_HPP_INCLUDED
+
+#include <ndnboost/iostreams/detail/config/windows_posix.hpp>
+
+namespace ndnboost { namespace iostreams { namespace detail {
+
+#ifdef NDNBOOST_IOSTREAMS_WINDOWS
+ typedef void* file_handle; // A.k.a. HANDLE
+#else
+ typedef int file_handle;
+#endif
+
+} } } // End namespaces detail, iostreams, boost.
+
+#endif // #ifndef NDNBOOST_IOSTREAMS_DETAIL_FILE_HANDLE_HPP_INCLUDED