--- misc/boost_1_44_0/boost/ptr_container/detail/map_iterator.hpp	2008-06-24 22:37:35.000000000 +0200
+++ misc/build/boost_1_44_0/boost/ptr_container/detail/map_iterator.hpp	2011-02-04 16:39:19.000000000 +0100
@@ -49,7 +49,7 @@
             : first(rp->first), second(rp->second)
             { }
             
-            const ref_pair* const operator->() const
+            const ref_pair* operator->() const
             {
                 return this;
             }