[boost][range] - removed warnings found building with clang 3.2.

[SVN r85698]

test/algorithm_test/copy.cpp

@@ -43,7 +43,7 @@ namespace boost
                 source.begin(), source.end()
                 );
 
-            it == boost::copy(boost::make_iterator_range(source), target.begin());
+            it = boost::copy(boost::make_iterator_range(source), target.begin());
             
             BOOST_CHECK( it == target.end() );