[PATCH v2 0/1] MR408: ntdll: Fix x64 single step exception detection on macOS.

[Piotr Caban (＠piotr)]

On macOS si_code is always set to TRAP_BRKPT.

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  v2: ntdll: Fix x64 single step exception detection on macOS.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/408