Fixed a nasty bug where FindControl could return a reference to a
destroyed python object.
diff --git a/Mac/Modules/ctl/Ctlmodule.c b/Mac/Modules/ctl/Ctlmodule.c
index bc690cd..33111f5 100644
--- a/Mac/Modules/ctl/Ctlmodule.c
+++ b/Mac/Modules/ctl/Ctlmodule.c
@@ -95,7 +95,7 @@
 static void CtlObj_dealloc(self)
 	ControlObject *self;
 {
-	/* Cleanup of self->ob_itself goes here */
+	SetCRefCon(self->ob_itself, (long)0); /* Make it forget about us */
 	PyMem_DEL(self);
 }