Fix regression: Moving messages with the mouse didn't work anymore.
Fix regression: Moving messages with the mouse didn't work anymore.

svn path=/trunk/kdepim/; revision=206923

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