Fix mem leak
Fix mem leak

svn path=/trunk/KDE/kdepim/ktimetracker/; revision=937529

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