[PATCH] riched20: Avoid using GCC's typeof extension

[Huw Davies]

On Thu, Sep 20, 2018 at 09:34:07PM -0600, Alex Henrie wrote:
> Signed-off-by: Alex Henrie <alexhenrie24 at gmail.com>
> ---
>  dlls/riched20/txthost.c | 86 ++++++++++++++++++++---------------------
>  dlls/riched20/txtsrv.c  |  4 +-
>  2 files changed, 45 insertions(+), 45 deletions(-)
> 
> diff --git a/dlls/riched20/txthost.c b/dlls/riched20/txthost.c
> index b479bde81b..d929a1a0a3 100644
> --- a/dlls/riched20/txthost.c
> +++ b/dlls/riched20/txthost.c
> @@ -501,9 +501,9 @@ DECLSPEC_HIDDEN HRESULT WINAPI ITextHostImpl_TxGetSelectionBarWidth(ITextHost *i
>  
>  #ifdef __i386__  /* thiscall functions are i386-specific */
>  
> -#define THISCALL(func) __thiscall_ ## func
> +#define THISCALL(func) (void *) __thiscall_ ## func
>  #define DEFINE_THISCALL_WRAPPER(func,args) \
> -   extern typeof(func) THISCALL(func); \
> +   extern void * __thiscall_ ## func(void); \
>     __ASM_STDCALL_FUNC(__thiscall_ ## func, args, \
>                     "popl %eax\n\t" \
>                     "pushl %ecx\n\t" \

We lose type-checking when assigning function ptrs to vtbl entries, which is
unfortunate.

Signed-off-by: Huw Davies <huw at codeweavers.com>