rem: return aParent->createFolderCombo(name);
add: cbx = aParent->createFolderCombo(name); return cbx;
context: QWidget* KMFilterActionMove::createParamWidget(KMGFilterDlg* aParent){  QString name;  if (mDest) name = mDest->name();  return aParent->createFolderCombo(name);}