[issue35157] Missing pyconfig.h when building from source and pgo flag is enabled

[Stéphane Wirtel]

Change by Stéphane Wirtel <stephane at wirtel.be>:


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components: +Windows
nosy: +paul.moore, steve.dower, tim.golden

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35157>
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