avoid URL encoding given external editor argument %f
avoid URL encoding given external editor argument %f

svn path=/trunk/KDE/kdepim/; revision=1006761

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