rem: return it.key()->height();
add: return item->height();
context: int AlarmListView::itemHeight(){	EntryMap::ConstIterator it = entries.begin();	if (it == entries.end())	{		// The list is empty, so create a temporary item to find its height		QListViewItem* item = new QListViewItem(this, QString::null);		int height = item->height();		delete item;		return height;	}	else		return it.key()->height();}