liblink: fix pool generation
liblink: fix pool generation

Technically this shouldn't be needed, for $8200(R2) we seem to get
a C_ADDR from aclass by mistake, but this change is correct and
gets us further. We'll deal with aclass later.

Fixes #22

Change-Id: Ief32b80100d7c1a02f8b57a1f4016463cfe52281

frobware/go,frobware/go,frobware/go,frobware/go,frobware/go,frobware/go,frobware/go