func (h *RotatingFileHandler) Close() error {
	if h.fd != nil {
		return h.fd.Close()
	}
	return nil
}
func (h *RotatingFileHandler) Close() error {
	if h.fd != nil {
		return h.fd.Close()
	}
	return nil
}
func ( h * RotatingFileHandler ) Close ( ) error { if h . fd != nil { return h . fd . Close ( ) } return nil }
// Close implements Handler interface
Close implements Handler interface