bug#73159: exec/configure.ac

[Bug reports for GNU Emacs, the Swiss army knife of text editors]

Eli Zaretskii <e...@gnu.org> writes:

> Unrelated to the problem of the MinGW build, the fact that
> exec/configure.ac is not modified by admin/admin.el:set-version is a
> bug, don't you agree?  We should have 30.0.90 in that file, not
> 30.0.50, right?

Yes I do.  I think I'll make this so tomorrow.