gcc ADL fixes

[SVN r17811]

include/boost/mpl/reverse.hpp

@@ -25,6 +25,8 @@
 namespace boost {
 namespace mpl {
 
+BOOST_MPL_AUX_AGLORITHM_NAMESPACE_BEGIN
+
 template<
       typename BOOST_MPL_AUX_VOID_SPEC_PARAM(Sequence)
     >
@@ -41,7 +43,9 @@ struct reverse
         >::type type;
 };
 
-BOOST_MPL_AUX_VOID_SPEC(1, reverse)
+BOOST_MPL_AUX_AGLORITHM_NAMESPACE_END
+
+BOOST_MPL_AUX_ALGORITHM_VOID_SPEC(1, reverse)
 
 } // namespace mpl
 } // namespace boost