PROVIDE problems

[Roland McGrath]

> I had problems with Roland's change to the linker script generation.
> Adding PROVIDE to define __start___libc_freeres_ptrs etc didn't work for
> some reason.  I've removed the PROVIDEs now.  This means we have a few
> more symbols where they don't belong but it's better than nothing.  This
> might be a linker bug but I'm not sure about this at this point.

What broken results did you see?  It looked ok to me.  The linker produces
the symbols as undefined locals in the libc.so .symtab, which is odd.
But it uses the right values in the GOT, where it matters.