Delete the old key/value pair so that the new value is actually written.
Delete the old key/value pair so that the new value is actually written.

svn path=/trunk/kdepim/; revision=327381

lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi