[Issue 24511] __stdcall functions from C are extern(C) in D.

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=24511

--- Comment #1 from Harry Gillanders <contact at harrygillanders.com> ---
dlang-bot isn't picking it up—here's a PR:
https://github.com/dlang/dmd/pull/16399

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