Adapt header alignment depending on the number of columns
Adapt header alignment depending on the number of columns

svn path=/trunk/KDE/kdepim/kaddressbook/; revision=1030421

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