1.1 --- a/lemon/suurballe.h	Thu Mar 04 10:03:14 2010 +0100
     1.2 +++ b/lemon/suurballe.h	Mon Mar 08 08:33:41 2010 +0100
     1.3 @@ -403,6 +403,10 @@
     1.4      PredMap *_init_pred;
     1.5      bool _full_init;
     1.6  
     1.7 +  protected:
     1.8 +
     1.9 +    Suurballe() {}
    1.10 +
    1.11    public:
    1.12  
    1.13      /// \brief Constructor.