Set the current transport also in the listbox of the combo box.
Set the current transport also in the listbox of the combo box.

svn path=/trunk/kdenetwork/kmail/; revision=128602

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