[m-rev.] diff: make some bitwise tests' .exp files more readable

[Zoltan Somogyi]

On Mon, 05 Dec 2022 21:24:24 +1100 (AEDT), "Zoltan Somogyi" <zoltan.somogyi at runbox.com> wrote:
> Note that bitwise_[u]int.m have .exp2 files as well, for 32 bit systems,
> which this diff does not update. Tomorrow, I will see whether my current
> setup has a 32-bit version of gcc I can use to force Mercury to pretend
> it is running on a 32 bit machine :-)

As it happens, it does not. So the .exp2 files of these two tests
will need to be updated by someone who has access to 32 bit machines.

Zoltan.