[imp] save_sent-mail and save_sent_mail

[Chuck Hagenbuch]

Quoting Liam Hoekenga <liamr@umich.edu>:

> Taking a look at the identities field in our user's preferences, I noticed 
> that we have entries for both save_sent-mail and save_sent_mail.

Nice catch - that was a typo.

-chuck

--
Charles Hagenbuch, <chuck@horde.org>
"What was and what may be, lie, like children whose faces we cannot see, in the
arms of silence. All we ever have is here, now." - Ursula K. Le Guin