[PATCH v15 0/1] MR7607: win32u: Add stub for NtUserSetAdditionalForegroundBoostProcesses.

[Louis Lenders (＠xe)]

Microsoft Edge worked if windows version is set to win8.1 (or win7) but
now crashes in current wine due to this unimplemented function.
This patch makes it work again in win8.1 mode;
(It's still broken in win10 mode, see https://bugs.winehq.org/show_bug.cgi?id=56378 for more info)

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  v15: win32u: Add stub for NtUserSetAdditionalForegroundBoostProcesses.

https://gitlab.winehq.org/wine/wine/-/merge_requests/7607