[issue15450] Allow dircmp.subdirs to behave well under subclassing

[Nick Crews]

Change by Nick Crews <nicholas.b.crews at gmail.com>:


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nosy: +NickCrews
nosy_count: 5.0 -> 6.0
pull_requests: +22316
pull_request: https://github.com/python/cpython/pull/23424

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue15450>
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