Method setUndoSaveState

src/csvwindow.cpp:869–874

* Sets undoSaveState to the ID of the most recent undo state */

 *	Sets undoSaveState to the ID of the most recent undo state
 */
void CsvWindow::setUndoSaveState() {
	if( !undoList.empty() ) {
		CsvUndo ustate = undoList.back();
		undoSaveState = ustate.getId();
	}
}