Re: [PATCH 0/1] MR9103: ntdll/unix: Explicitly cast to XSAVE_FORMAT* before dereferencing FPUX_sig

[Jinoh Kang (＠iamahuman)]

Jinoh Kang (@iamahuman) commented about dlls/ntdll/unix/signal_i386.c:
> #define ESP_sig(context)     ((context)->uc_mcontext.mc_esp)
>
> #define FPU_sig(context)     NULL  /* FIXME */
>  #define FPUX_sig(context)    NULL  /* FIXME */

I think the real problem is the FPUX_sig definitions. We should fix them instead:

```suggestion:-0+0
#define FPUX_sig(context)    ((XSAVE_FORMAT *)NULL)  /* FIXME */
```

Ditto for other stub FPUX_sigs.