Fixes custom icons showing only after clicking on a folder.
Fixes custom icons showing only after clicking on a folder.

svn path=/trunk/kdenetwork/kmail/; revision=189382

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