Clear the list in the dialog when starting search.
Clear the list in the dialog when starting search.

svn path=/branches/kdepim/enterprise4/kdepim/; revision=811963

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