[rfa/threads] Eliminate use of make_cleanup_func

[Michael Snyder]

Andrew Cagney wrote:
> 
> Andrew Cagney wrote:
> >
> > Hello,
> >
> > The attached removes the last remaining use of make_cleanup_func from
> > the GDB sources.  As part of the change I added an explicit call to
> > do_cleanups() - I think that previously the code was relying on the
> > caller to do a cleanup :-/.
> >
> >         Andrew
> >
> > PS: It shows no regressions on solaris but I don't know that that means
> > much.
> 
> Oh, flip! Lets try again.  The patch is attached... :-)

Looks fine.  Check 'er in!