Add data() member

git-svn-id: http://svn.boost.org/svn/boost/sandbox/endian@62439 b8fc166d-592f-0410-95f2-cb63ce0dd405

boost/integer/endian_binary_stream.hpp

@@ -119,7 +119,7 @@ namespace boost
        inline typename boost::enable_if< is_endian<Endian>, std::ostream & >::type
          operator<=( std::ostream & os, const Endian & e )
      {
-       return os.write( reinterpret_cast<const char*>(&e), sizeof(e) );
+       return os.write( e.data(), sizeof(e) );
      }
 
      template < class Endian >