fix dbgutil crash with autofilter dialog after VclPtr change

Change-Id: Ic8f3079ddc7db8be349d4b322cc35a8f6aa38d9b

sc/source/ui/cctrl/checklistmenu.cxx

@@ -912,6 +912,7 @@ ScCheckListMenuWindow::~ScCheckListMenuWindow()
 
 void ScCheckListMenuWindow::dispose()
 {
+    maEdSearch.disposeAndClear();
     maChecks.disposeAndClear();
     maChkToggleAll.disposeAndClear();
     maBtnSelectSingle.disposeAndClear();