updating subject to reflect message

git-svn-id: http://svn.krangcms.com/trunk/krang@6904 689d98c0-9023-0410-9c0b-f79783857903
Fixed a case where swapping story names could prevent files from being cleared when the story is retired.

git-svn-id: http://svn.krangcms.com/trunk/krang@6905 689d98c0-9023-0410-9c0b-f79783857903