1.1 --- a/lemon/concepts/path.h	Wed Sep 12 17:25:48 2012 +0200
     1.2 +++ b/lemon/concepts/path.h	Thu Sep 13 11:56:19 2012 +0200
     1.3 @@ -168,6 +168,7 @@
     1.4            ignore_unused_variable_warning(ed);
     1.5          }
     1.6          _Path& p;
     1.7 +        PathDumperConstraints() {}
     1.8        };
     1.9  
    1.10        template <typename _Digraph, typename _Path>
    1.11 @@ -193,6 +194,7 @@
    1.12            ignore_unused_variable_warning(ed);
    1.13          }
    1.14          _Path& p;
    1.15 +        PathDumperConstraints() {}
    1.16        };
    1.17  
    1.18      }