Include bind in ndnboost.
diff --git a/ndnboost/range/difference_type.hpp b/ndnboost/range/difference_type.hpp
new file mode 100644
index 0000000..b26058a
--- /dev/null
+++ b/ndnboost/range/difference_type.hpp
@@ -0,0 +1,29 @@
+// Boost.Range library
+//
+// Copyright Thorsten Ottosen 2003-2004. 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)
+//
+// For more information, see http://www.boost.org/libs/range/
+//
+
+#ifndef BOOST_RANGE_DIFFERENCE_TYPE_HPP
+#define BOOST_RANGE_DIFFERENCE_TYPE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif
+
+#include <ndnboost/range/config.hpp>
+#include <ndnboost/range/iterator.hpp>
+#include <ndnboost/iterator/iterator_traits.hpp>
+
+namespace ndnboost
+{
+ template< class T >
+ struct range_difference : iterator_difference< typename range_iterator<T>::type >
+ { };
+}
+
+#endif