[Fontconfig] Problems with fc-arch

[Tor Lillqvist]

> That's quite unfortunate though, since this struct is public.
> Means that fontconfig binaries can't be shared between gcc and MSVC :(.

Sure they can. gcc for Windows follows MSVC alignment rules.

> They all boil down to three properties
>  - Endian-ness
>  - Long-size (ie. 32bit vs 64bit)
>  - For 32bit systems, the double alignment

But not pointer size? (Which differs from "long" size on 64-bit Windows.)

--tml