README: add a note about 64-bit Wine and 32-bit apps (try 2)

[Austin English]

On Wed, Dec 23, 2015 at 2:07 AM, Alexandre Julliard <julliard at winehq.org> wrote:
> Austin English <austinenglish at gmail.com> writes:
>
>> I've updated http://wiki.winehq.org/AMD64 (which is what
>> http://wiki.winehq.org/Wine64 redirects to) and
>> http://wiki.winehq.org/BuildingWine (which is what
>> http://wiki.winehq.org/WineOn64bit redirects to)..
>
> Thanks!
>
>> I feel like the AMD64 page should be renamed to Wine64 (since it also
>> applies to at least aarch64)..
>
> Agreed.

So I just tried, but I get an error:
A page with the name 'Wine64' already exists. Try a different name.

presumably that refers to the redirect, but I'm not sure where that's
configured. Perhaps someone else has an idea.

-- 
-Austin