Make KPaintInfo usable for KNode too.
Make KPaintInfo usable for KNode too.

svn path=/trunk/kdepim/; revision=374200

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