diff -Nur trunk/src/display/drawing_request.hxx trunk.new/src/display/drawing_request.hxx
--- trunk/src/display/drawing_request.hxx	2005-09-27 11:17:32.000000000 +0200
+++ trunk.new/src/display/drawing_request.hxx	2005-10-16 21:30:17.000000000 +0200
@@ -32,6 +32,7 @@
   CL_Vector pos;
 public:
   DrawingRequest(const CL_Vector& pos_) : pos(pos_) {}
+  virtual ~DrawingRequest() {};
   
   virtual void draw(CL_GraphicContext* gc) = 0;