Change weeklyCalcToDate() parameter to const
Change weeklyCalcToDate() parameter to const

svn path=/trunk/kdepim/; revision=158415

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