diff -r bd8109f8e2fa -r ddc405f1d48f src/work/marci/graph_wrapper.h
--- a/src/work/marci/graph_wrapper.h	Tue May 04 12:01:49 2004 +0000
+++ b/src/work/marci/graph_wrapper.h	Tue May 04 12:03:04 2004 +0000
@@ -465,7 +465,7 @@
   template<typename Graph>
   class UndirGraphWrapper : public GraphWrapper<Graph> {
   protected:
-    UndirGraphWrapper() : GraphWrapper<Graph>(0) { }
+    UndirGraphWrapper() : GraphWrapper<Graph>() { }
     
   public:
     typedef typename GraphWrapper<Graph>::Node Node;