[7.17](backport #36650) winlogbeat/sys/wineventlog: fix unsafe pointer use

[mergify]

This is an automatic backport of pull request #36650 done by Mergify.
Cherry-pick of 0ad4264 has failed:

On branch mergify/bp/7.17/pr-36650
Your branch is up to date with 'origin/7.17'.

You are currently cherry-picking commit 0ad4264557.
  (fix conflicts and run "git cherry-pick --continue")
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  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   CHANGELOG-developer.next.asciidoc
	modified:   winlogbeat/sys/wineventlog/format_message.go
	modified:   winlogbeat/sys/wineventlog/renderer.go
	modified:   winlogbeat/sys/wineventlog/syscall_windows.go
	modified:   winlogbeat/sys/wineventlog/zsyscall_windows.go

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   winlogbeat/sys/wineventlog/wineventlog_windows.go

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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• Start Time: 2023-09-22T21:11:25.003+0000

• Duration: 79 min 16 sec

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Total	22029

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