syslog_handler.go
func (handler *SyslogHandler) Close() error {
	if handler.writter == nil {
		return nil
	}
	return handler.writter.Close()
}
func (handler *SyslogHandler) Close() error {
	if handler.writter == nil {
		return nil
	}
	return handler.writter.Close()
}
// Close closes an associated syslog Writer.