Ticket #5993: numeric.hpp.patch

numeric.hpp

@@ -40 +40 @@
     template< class SinglePassRange, class Value >
     inline Value accumulate( const SinglePassRange& rng, Value init )
     {
-        BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange> ));
+        BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange> ));
         return std::accumulate( boost::begin(rng), boost::end(rng), init );
     }