Implement cancel properly
Implement cancel properly

svn path=/branches/work/kdab-post-4.0/kdepim/; revision=749653

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