diff -r 959c499e3b65 -r cebacea4f965 graph_displayer_canvas.h
--- a/graph_displayer_canvas.h	Tue Jul 26 14:31:29 2005 +0000
+++ b/graph_displayer_canvas.h	Tue Jul 26 18:14:23 2005 +0000
@@ -149,7 +149,7 @@
   Gnome::Canvas::Widget * canvasentrywidget;
 
   ///Here we store the maps that can be displayed through properties.
-  MapStorage mapstorage;
+  MapStorage & mapstorage;
 
   ///Indicates whether the button of mouse is pressed or not
   int isbutton;