const'ify
const'ify

svn path=/trunk/KDE/kdepim/kmailcvt/; revision=953031

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