fix base64 check
fix base64 check

svn path=/trunk/KDE/kdepim/akregator/; revision=935768

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