Backport !742 “os-release: Handle NULL OS name or version” to gnome-40
Either may be NULL, but shouldn’t end up as ‘(null)’ in the app ID, as that breaks subsequent XPath queries in the appstream plugin.
Signed-off-by: Philip Withnall pwithnall@endlessos.org
Fixes: #1254 (closed)
Trivial backport of !742 (merged) to gnome-40
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