Fix unintentional use of Duration as bool
Fix unintentional use of Duration as bool

svn path=/trunk/KDE/kdepim/; revision=821549

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