Backport r939917 by smartins from trunk to the 4.2 branch:
Backport r939917 by smartins from trunk to the 4.2 branch:

When creating or deleting categories they didn't appear immediately in the selection dialog.

svn path=/branches/KDE/4.2/kdepim/; revision=939919

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