[tlbuild] linked scripts when script names only differ by their extensions

[Robert Alessi]

On Tue, Mar 19, 2024 at 03:45:42PM -0600, Karl Berry wrote:
> Instead, I made the change below to split up the test (r70706).

Excellent, I like very much the splitting, it makes reading easier and
could come in handy should other similar scripts be added to the list.

>     Besides, why \. after memoize-.* ?
> 
> I felt that the reasons these were special cases was because of the
> extension, so I wanted to put the literal . into the pattern. Maybe
> someday there will be a memoize-somethingelse without a dot. Pedantic I
> admit ... -k

I'd rather say smart ;)