[lto-plugin, build] Don't link libiberty.a into liblto-plugin.a

[Rainer Orth]

DJ Delorie <dj@redhat.com> writes:

> Just want to make sure that possibility was considered, that's all.

As Cary said, no change here by my patch.  What do you think about
moving libiberty to libtool (and maybe automake) in the 4.7 timeframe?
That should avoid all of this mess.

	Rainer

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Rainer Orth, Center for Biotechnology, Bielefeld University