Use optimal column width.
Use optimal column width.

svn path=/trunk/KDE/kdepim/ktimetracker/; revision=770045

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