[issue45767] Fix types for dev_t processing in posix module

[Dmitry Marakasov]

Change by Dmitry Marakasov <amdmi3 at amdmi3.ru>:


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pull_requests: +27743
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/29494

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<https://bugs.python.org/issue45767>
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