[PATCH 0/1] MR1219: ntdll: Fix building on Mojave / Xcode 11.3.1.

[Stefan Dösinger]

_STRUCT_X86_THREAD_FULL_STATE64 exists, but _STRUCT_MCONTEXT64_FULL and
_STRUCT_MCONTEXT_AVX64_FULL do not.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/1219