C++11 patches by Michel Morin

[SVN r75394]

include/boost/fusion/view/nview/nview.hpp

@@ -23,6 +23,8 @@
 #include <boost/fusion/container/vector.hpp>
 #include <boost/fusion/view/transform_view.hpp>
 
+#include <boost/config.hpp>
+
 namespace boost { namespace fusion
 {
     namespace detail
@@ -35,12 +37,21 @@ namespace boost { namespace fusion
             template<typename U>
             struct result<addref(U)> : add_reference<U> {};
 
+#ifdef BOOST_NO_RVALUE_REFERENCES
             template <typename T>
             typename add_reference<T>::type 
             operator()(T& x) const
             {
                 return x;
             }
+#else
+            template <typename T>
+            typename result<addref(T)>::type
+            operator()(T&& x) const
+            {
+                return x;
+            }
+#endif
         };
 
         struct addconstref