Don't display still is the status bar, that there is one message in the folder after the last has been deleted.
Don't display still is the status bar, that there is one message in the folder
after the last has been deleted.

svn path=/trunk/kdenetwork/kmail/; revision=79381

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