Update for Solaris compilation

[gaige]

What does this PR do?

Fixed compilation and operation on solaris (illumos, smartos) for libbeats, filebeats.

Why is it important?

In order to run the beats on Solaris, or Solaris-derived OSs, we need compilation, test passage, and execution. This is part of an effort to fix operation on Solaris.

Checklist

• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have made corresponding change to the default configuration files
• I have added tests that prove my fix is effective or that my feature works
• I have added an entry in CHANGELOG.next.asciidoc or CHANGELOG-developer.next.asciidoc.

Author's Checklist

• Verify no harm done to other platforms

How to test this PR locally

Testing will require using a Solaris environment of some kind. However, the standard set of tests should succeed if run on a Solaris environment for both libbeat and filebeat at this time.

Related issues

Use cases

No material changes except operation on Solaris

Screenshots

Logs

[mergify]

This pull request does not have a backport label.
If this is a bug or security fix, could you label this PR @gaige? 🙏.
For such, you'll need to label your PR with:

• The upcoming major version of the Elastic Stack
• The upcoming minor version of the Elastic Stack (if you're not pushing a breaking change)

To fixup this pull request, you need to add the backport labels for the needed
branches, such as:

• backport-v8./d.0 is the label to automatically backport to the 8./d branch. /d is the digit

[elasticmachine]

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• Start Time: 2023-09-11T11:59:23.727+0000

• Duration: 5 min 37 sec

Steps errors

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Load a resource file from a library

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• Description: approval-list/elastic/beats.yml

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• Description: githubApiCall: The REST API call https://api.github.com/orgs/elastic/members/gaige return the message : java.lang.Exception: httpRequest: Failure connecting to the service https://api.github.com/orgs/elastic/members/gaige : httpRequest: Failure connecting to the service https://api.github.com/orgs/elastic/members/gaige : Code: 404Error: {"message":"User does not exist or is not a member of the organization","documentation_url":"https://docs.github.com/rest/orgs/members#check-organization-membership-for-a-user"}

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[mergify]

This pull request is now in conflicts. Could you fix it? 🙏
To fixup this pull request, you can check out it locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/

git fetch upstream
git checkout -b solaris upstream/solaris
git merge upstream/main
git push upstream solaris

[mergify]

This pull request is now in conflicts. Could you fix it? 🙏
To fixup this pull request, you can check out it locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/

git fetch upstream
git checkout -b solaris upstream/solaris
git merge upstream/main
git push upstream solaris

[mergify]

This pull request does not have a backport label.
If this is a bug or security fix, could you label this PR @gaige? 🙏.
For such, you'll need to label your PR with:

• The upcoming major version of the Elastic Stack
• The upcoming minor version of the Elastic Stack (if you're not pushing a breaking change)

To fixup this pull request, you need to add the backport labels for the needed
branches, such as:

• backport-v8./d.0 is the label to automatically backport to the 8./d branch. /d is the digit

[gaige]

Working on it