fix i18n bug, use proper way to set the main catalog
fix i18n bug, use proper way to set the main catalog

svn path=/trunk/KDE/kdepim/; revision=974266

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