fix possible crash (CID 2084)
fix possible crash (CID 2084)

svn path=/trunk/KDE/kdepim/; revision=541251

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