[RFA/NEWS] Document condition at end of catch exception/assert commands

[Joel Brobecker]

> > gdb/ChangeLog:
> > 
> >         * NEWS: Document the fact that one can provide a condition when
> >         creating an Ada exception catchpoint.
> > 
> > OK to commit?
> 
> Yes, thanks.

Thanks, Eli.  Now checked in.

-- 
Joel