After a quick chat on IRC, zhsj noted that the issue in #871448 is
present because the uploader didn't use uscan to download the
orig.tar.gz, which means that the Files-Excluded line was never used,
and Excluded files were present in the orig.tar.gz.
It'd be super snazzy if lintian were to throw an error if any of the
Files-Excluded globs hit a file in the orig.tar.gz, with a severity of
error. Hopefully this would have alerted the uploader, and caused them
to re-download the tarball.
Thanks for working on Lintian!
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