fix(plugin) Linux local - mode systemd-journal : --output-fields added in version 236

[s-duret]

Description

--output-fields has been added in journalctl version 236.
We should remove this option for older versions.

Fixes # CTOR-877

Type of change

• Patch fixing an issue (non-breaking change)
• New functionality (non-breaking change)
• Functionality enhancement or optimization (non-breaking change)
• Breaking change (patch or feature) that might cause side effects breaking part of the Software

Checklist

• I have followed the coding style guidelines provided by Centreon
• I have commented my code, especially hard-to-understand areas of the PR.
• I have rebased my development branch on the base branch (develop).
• I have implemented automated tests related to my commits.
• I have reviewed all the help messages in all the .pm files I have modified.
  • All sentences begin with a capital letter.
  • All sentences are terminated by a period.
  • I am able to understand all the help messages, if not, exchange with the PO or TW to rewrite them.

[garnier-quentin]

Hi @s-duret. You shouldn't use awk but an perl regex to check the version.

[s-duret]

Hi @garnier-quentin
Thanks for your feedback.
Is it better?