Avoid timeouts in call-sc.exp

[Paul Gilliam]

On Wednesday 25 August 2004 11:11, Michael Chastain wrote:
> It's a little weird, but it's much better.
>
> . "synchronize" is spelled with an h.
> . include a changelog entry with the submission
> . you don't need ${...} for each variable access.
>   just $loop_count, $test, and so on.
> . this is the fsf version of gdb, it's better to work with
>   fsf sources -- either gdb 6.2 or the cvs version of gdb,
>   not a red hat gdb.
>
> Can you fix those things up, then download gdb 6.2 or the
> cvs version of gdb, and do your work against that.

I don't think 6.2 or CVS head would work: they don't exibite the underling bug 
that triggers the problem in the test case.