Required for implementation correctness check in certain protection software.
Thanks to mkrsym1 <mkrsym1(a)gmail.com> for the patch!
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v2: ntdll: Write ret_len before checking length in ThreadHideFromDebugger
https://gitlab.winehq.org/wine/wine/-/merge_requests/7579
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v8: server: Handle hardlinks and casefolding when renaming the same file.
kernel32/tests: Test renaming a file into a hardlink of itself.
kernel32/tests: Use FindClose instead of CloseHandle when closing
https://gitlab.winehq.org/wine/wine/-/merge_requests/6855