Solve the bug where the choices of sort fields and sort directions are inserted into their respective QComboBoxes more than once.
Solve the bug where the choices of sort fields and sort directions are
inserted into their respective QComboBoxes more than once.

This is sorta hackish because the real solution is to find out why
the setSettingsWidget methods are being called twice.

svn path=/branches/KDE/3.5/kdepim/; revision=587226

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