[PATCH v2 0/1] MR655: win32u: replace calling unix functions by unix_call and remove callback unix_funcs

[Fan WenJie (＠fanwenjie)]

function call from windows dll to unix function should use `__wine_unix_call` instead of callback function pointer. remove callback struct unix_funcs and add wrapper function of `unixlib_entry_t` type.

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  v2: win32u: replace calling unix functions by unix_call and remove callback unix_funcs

https://gitlab.winehq.org/wine/wine/-/merge_requests/655