core/segment.cpp: operator<<, display revcomp sequence when 'reversed' is set

We should display the reverse sequence even if the sequence is not segmented,
for example for MAX12. This is a more consistant behaviour.

algo/core/segment.cpp

@@ -192,7 +192,7 @@ ostream &operator<<(ostream &out, const Segmenter &s)
     }
   else
     {
-      out << s.sequence << endl ;
+      out << s.getSequence().sequence << endl ;
     }
 
   return out ;