Log Message:
Update to Dovecot 1.0.9.

	+ Maildir: Don't wait on dovecot-uidlist.lock when we just want to
	  find out a new filename for the message.
	- mbox: v1.0.8 changes sometimes caused FETCH to fail with
	  "got too little data", disconnecting the client.
	- Fixed a memory leak when FETCHing message header/body multiple
	  times within a command (e.g. BODY[1] BODY[2])
	- IMAP: Partial body fetching was still slow with mboxes