renumber following crash is wrong in 2.3

[Katsuhiro Kondou]

In article <vxkhf55jq6q.fsf at cinnamon.vanillaknot.com>,
	Karl Kleinpaste <karl at charcoal.com> wrote;

} That's very distressing, since the result is that self-survivability
} is actually architected out of existence for tradspool.

I wish we could recover only from storage method directly.
We can only do it thru overview data which can be created
from article.  You can do it by makehistory, and I believe
it's correct way to recovering from crash for 2.3 or later.

} No:

Um, overview index did not seemed to be flushed out when
crashed.
-- 
Katsuhiro Kondou