as I saw it: don't assign to "", but create a 0 string
as I saw it: don't assign to "", but create a 0 string

svn path=/trunk/kdepim/; revision=242438

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