[m-rev.] for review: document the uint type

[Zoltan Somogyi]

On Thu, 8 Jun 2017 22:07:33 +1000 (AEST), Julien Fischer <jfischer at opturion.com> wrote:
>   In the current implementation, @code{MR_Integer} is a typedef for a signed
>   integral type whose size is the same size as a pointer of type @samp{void *};
> + at code{MR_Unsigned} is a typedef for an unsigned integral type whose size is the
> +same as a pointer of type @samp{void *};

I would change the wording of both the old and new sentences to say
"is a typedef for an signed/unsigned integral type which is the same size as ...".

The rest of the diff is fine.

Zoltan.