[PATCH 0/1] MR6208: include: Always declare _setjmp in setjmp.h on i386 targets.

[Jacek Caban (＠jacek)]

Clang supports _setjmp but, like most MSVC-style builtins, it still requires function declaration.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/6208