Little fix for foldernames that contain only non-latin-1 characters.
Little fix for foldernames that contain only non-latin-1 characters.

svn path=/trunk/kdenetwork/kmail/; revision=75713

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