RFR: 8292352: 32-bit Windows build failures after JDK-8290059

[Thomas Stuefe]

On Mon, 15 Aug 2022 11:16:06 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> The affected file was added by [JDK-8290059](https://bugs.openjdk.org/browse/JDK-8290059), and the code that fails the compilation is under `#ifdef _WIN32`, and it only (?) gets compiled for tests. Looks like we really need the "WINAPI" macro in the definition, so that we match the stdcall. See the example declaration in the [docs](https://docs.microsoft.com/en-us/previous-versions/windows/desktop/legacy/ms686736(v=vs.85)).
> 
> Attn @JornVernee.
> 
> Additional testing:
>  - [x] Windows x86_32 builds/test now pass
>  - [ ]  Windows x86_64 builds/test still pass

Looks good and trivial. This came up during the original PR discussion but we thought it would not be needed.

Cheers, Thomas

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Marked as reviewed by stuefe (Reviewer).

PR: https://git.openjdk.org/jdk/pull/9875