Backport of fix for kolab/issue2846.\nThomas, please block, only kde4 relevant.
Backport of fix for kolab/issue2846.\nThomas, please block, only kde4 relevant.

svn path=/branches/kdepim/enterprise4/kdepim/; revision=947451

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