Can be nil (my index.sorted was deleted and kmail keeps crashing unless, all index files will be deleted we need to do something about that).
Can be nil (my index.sorted was deleted and kmail keeps crashing unless,
all index files will be deleted we need to do something about that).

svn path=/trunk/kdepim/; revision=203771

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