Additional address for sysloghandler to handle mac

[cbcoutinho]

This v1.1 template stands in .github/.

This PR

Add character x [x].

• I've read the DCO.
• I've read the Coding Guidelines
• The relevant informations about the changes stands in the commit message, not here in the message of the pull request.
• Code changes follow the style of the files they change.
• Code is tested (provide details).

References

• Issue -u syslog doesn't work on macOS #553

Additional information

This is a work-in-progress PR to address issue #553

[nicolas33]

Thanks, applied into the 'next' branch.