diff -r 8b2d4e5d96e4 -r a337a0dd3f75 test/digraph_test.cc
--- a/test/digraph_test.cc	Wed Aug 07 06:55:05 2013 +0200
+++ b/test/digraph_test.cc	Wed Aug 07 06:57:41 2013 +0200
@@ -442,7 +442,7 @@
     a2 = g.addArc(n2, n1),
     a3 = g.addArc(n2, n3),
     a4 = g.addArc(n2, n3);
-  ignore_unused_variable_warning(a2,a3,a4);
+  ::lemon::ignore_unused_variable_warning(a2,a3,a4);
 
   digraphCopy(g, G).nodeRef(nref).run();