Problem with imap to imap sync.

[Daniel James <daniel_james@xxxxxx>]

Hi,
I think I have discovered a bug with offlineimap. When synchronising
between two imap servers, if it gets an email with only a single line
(so there are no newlines in it) savemessage_addheader doesn't work
properly, so when it searches for the mail it can't find it. Obviously
the email is invalid, so it's not that bad. Anyway, a patch is attached.

thanks,

Daniel


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