diff -r 9316dcc0a355 -r a222eb109e52 gui/graph_displayer_canvas.h
--- a/gui/graph_displayer_canvas.h	Thu Jun 16 18:08:04 2005 +0000
+++ b/gui/graph_displayer_canvas.h	Thu Jun 16 18:58:15 2005 +0000
@@ -96,7 +96,7 @@
   MapStorage mapstorage;
 
   ///Indicates whether the button of mouse is pressed or not
-  bool isbutton;
+  int isbutton;
 
   ///At this location was the mousebutton pressed.
   ///It helps to calculate the distance of dragging.