[m-rev.] for review: fix some comments in {int,uint}.m

[Julien Fischer]

On Fri, 13 Jul 2018, Mark Brown wrote:

> Thanks for the change, that looks good. I've merged the pull request.
>
> Personally I'm happy for people to use pull requests rather than go
> via the mailing list. I can't remember if anyone else had any
> objections, though.

I don't think so; we should probably update the contributions
section of the website to say that.

Julien.