Refs #2128 (fixed in trunk.)

[SVN r51512]

include/boost/ref.hpp

@@ -179,6 +179,11 @@ unwrap_ref(T& t)
     return t;
 }
 
+template<class T> inline T* get_pointer( reference_wrapper<T> const & r )
+{
+    return r.get_pointer();
+}
+
 } // namespace boost
 
 #endif // #ifndef BOOST_REF_HPP_INCLUDED