[evolution-patches] 61555 Being too liberal sending cancellation notices

[JP Rosevear <jpr novell com>]

The particular case had an empty address so the mail was not sent
properly, this corrects the more general case about sending
cancellations to people who could have never gotten an invitation in the
first place.

-JP
-- 
JP Rosevear <jpr novell com>
Novell, Inc.