diff -r 4add05447ca0 -r 0998f70d0b2d lemon/bits/path_dump.h
--- a/lemon/bits/path_dump.h	Tue Apr 14 08:39:40 2015 +0200
+++ b/lemon/bits/path_dump.h	Tue Apr 14 16:14:32 2015 +0200
@@ -61,7 +61,7 @@
         if (path->predMap[current] == INVALID) current = INVALID;
       }
 
-      operator const typename Digraph::Arc() const {
+      operator typename Digraph::Arc() const {
         return path->predMap[current];
       }