two gob nits found with stricter 6g
two gob nits found with stricter 6g

(6g had a few pretty major bugs
where it was more lax than it should
have been when checking when things
satisfied interfaces; i fixed them and
this turned up.)

R=r
DELTA=2  (0 added, 0 deleted, 2 changed)
OCL=34243
CL=34248
abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go