[issue39968] port extension modules' macros of `get_module_state()` to inline function.

[hai shi]

hai shi <shihai1991 at 126.com> added the comment:

> See also: https://github.com/python/cpython/runs/509226542#step:4:305
Oh, thanks, Dong-hee Na. I create a PR for this typo error.

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