fix handling of labels (token position became wrong under certain cases)
fix handling of labels (token position became wrong under certain cases)

jsx/JSX,mattn/JSX,dj31416/JSX,jsx/JSX,dj31416/JSX,jsx/JSX,jsx/JSX,mattn/JSX,dj31416/JSX,dj31416/JSX,dj31416/JSX,jsx/JSX