1.1 --- a/lemon/grid_ugraph.h	Mon Mar 06 09:38:19 2006 +0000
     1.2 +++ b/lemon/grid_ugraph.h	Mon Mar 06 10:28:37 2006 +0000
     1.3 @@ -23,6 +23,7 @@
     1.4  #include <lemon/bits/invalid.h>
     1.5  #include <lemon/bits/utility.h>
     1.6  
     1.7 +#include <lemon/bits/base_extender.h>
     1.8  #include <lemon/bits/graph_extender.h>
     1.9  
    1.10  #include <lemon/xy.h>