[rucksack-devel] Fixed the btree stress-test bug

[Henrik Hjelte]

> So this was the big bug, right?  If we're deleting the biggest key from
> a leaf, we should update the parents so they'll use the key that has now
> become the biggest, right?

Yes, this was the bug. The patches before were patches submitted to
the mailing list by Takehiko Abe, I didn't want to steal the credit
for them...

Thanks,
Henrik