nsswitch: use [NOTFOUND=return] for mdns #30472
Merged
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Commit 987aac7 and issue #18183 were intended to fix support for other
things, but in the process, changed mdns_minimal to use the wrong return
setting, resulting in permanent failures in early boot, affecting things
like issue #30459.
Untested whether this actually solves the problem in #30459, but seems like it's likely more correct anyway, matching the documentation of the whole Internet for the mdns module.
@Mic92