Andrew O'Neil d3f6b8ec9e BUGFIX: Don't run migration code for permissions if the old field doesn't exist.
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@64462 467b73ca-7a2a-4603-9d3b-597d59a354a9
2008-10-16 22:46:48 +00:00
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