[lazarus] listbox patch

[Marc Weustink]

+ From: Vincent Snijders [mailto:VSDS at RND.VB.CBS.NL]
+ Sent: woensdag 17 december 2003 13:33
+
+ As I said, I can't reproduce them, so I can't locate and fix them. The
+ debug options dialog memory leak is reproducable and will be fixed.

Probalbly because the DebugOptionsDialog is the only place (AFAIK) where a
checklistbox is used. I introduced the checklistbox to build the dialog :)

Marc