1.1 --- a/src/work/marci/bfs_iterator.h	Thu May 06 17:45:12 2004 +0000
     1.2 +++ b/src/work/marci/bfs_iterator.h	Thu May 06 18:07:45 2004 +0000
     1.3 @@ -6,6 +6,8 @@
     1.4  #include <stack>
     1.5  #include <utility>
     1.6  
     1.7 +#include <hugo/invalid.h>
     1.8 +
     1.9  namespace hugo {
    1.10  
    1.11    template <typename Graph, /*typename OutEdgeIt,*/