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

[hai shi]

Change by hai shi <shihai1991 at 126.com>:


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title: move extension modules' macros of `get_xx_state()` to inline function. -> move extension modules' macros of `get_module_state()` to inline function.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39968>
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