[Bug 45642] Chrome/ Chromium sandbox needs x86-64 syscall thunks to match Windows

https://bugs.winehq.org/show_bug.cgi?id=45642

--- Comment #11 from Fabian Maurer  ---
@Zebediah Figura

Something must have gone wrong with the patch, it completely breaks 64bit wine.

You can't just use
> user_shared_data_external->SystemCallPad[0] = 1

You need to have both:
> user_shared_data->SystemCallPad[0] = 1;
> user_shared_data_external->SystemCallPad[0] = 1;