[issue35011] expat: Restore the use of pyexpatns.h to avoid link time conflicts vs other versions

[Gregory P. Smith]

Change by Gregory P. Smith <greg at krypto.org>:


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keywords: +patch
pull_requests: +9290
stage: needs patch -> patch review

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35011>
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