ndnboost: Include boost::iostreams for internal use.
diff --git a/include/ndnboost/regex_fwd.hpp b/include/ndnboost/regex_fwd.hpp
new file mode 100644
index 0000000..03e4ed5
--- /dev/null
+++ b/include/ndnboost/regex_fwd.hpp
@@ -0,0 +1,33 @@
+/*
+ *
+ * Copyright (c) 1998-2002
+ * John Maddock
+ *
+ * Use, modification and distribution are 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)
+ *
+ */
+
+ /*
+ * LOCATION: see http://www.boost.org/libs/regex for documentation.
+ * FILE regex_fwd.cpp
+ * VERSION see <ndnboost/version.hpp>
+ * DESCRIPTION: Forward declares ndnboost::basic_regex<> and
+ * associated typedefs.
+ */
+
+#ifndef NDNBOOST_REGEX_FWD_HPP
+#define NDNBOOST_REGEX_FWD_HPP
+
+#ifndef NDNBOOST_REGEX_CONFIG_HPP
+#include <ndnboost/regex/config.hpp>
+#endif
+
+#include <ndnboost/regex/v4/regex_fwd.hpp>
+
+#endif
+
+
+
+