Fix authoring to generate major upgrades properly.
Fix authoring to generate major upgrades properly.

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extra : convert_revision : svn%3A2327b42d-5241-43d6-9e2a-de5ac946f064%4010357

--HG--
extra : convert_revision : 6daf17d7c21248278709e701a88320bbf6cd086b

heaths/psmsi,heaths/psmsi,jkorell/psmsi,jkorell/psmsi,SamB/psmsi,SamB/psmsi