D23884: Fix KListOpenFilesJob unit test on Unix if lsof is not installed

[Nathaniel Graham]

ngraham added inline comments.

INLINE COMMENTS

> klistopenfilesjobtest_unix.cpp:37
> +    QProcess lsofProcess;
> +    lsofProcess.start(QStringLiteral("lsof"), QStringList(QStringLiteral("-v")));
> +    lsofProcess.waitForFinished();

A prior career in build engineering tells me that this will start failing in 10 years when `lsof` removes the `-v` argument and replaces it with `--version`. For robustness' sake, I would additionally check for `--version` (and possibly even `-version` too) if the initial `lsof -v` call fails.

REPOSITORY
  R244 KCoreAddons

REVISION DETAIL
  https://phabricator.kde.org/D23884

To: hallas, dfaure
Cc: ngraham, kde-frameworks-devel, LeGast00n, GB_2, michaelh, bruns
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