PATCH: fixes c++ friend class declaration lookup bugs

[Ollie Wild]

> > :ADDPATCH c++:
> >
> > 2007-05-18  Ollie Wild  <aaw@google.com>
> >
> >       * name-lookup.c (ambiguous_decl): Adds check for hidden types.
> >       (unqualified_namespace_lookup): Adds check for hidden types.
> >
> > 2007-05-18  Ollie Wild  <aaw@google.com>
> >
> >       * g++.dg/lookup/hidden-class10.C: New test.
> >       * g++.dg/lookup/hidden-class11.C: New test.
>
> :REVIEWMAIL: OK

I've noticed this hasn't been checked in, yet.  Do I need to anything
else to make that happen?

Note that I don't have write access to the repository.

Ollie