avoid infinite loops in KNGroup::updateThreadInfo(), fixes a lookup reported by Carsten
avoid infinite loops in KNGroup::updateThreadInfo(), fixes a lookup
reported by Carsten

svn path=/trunk/kdenetwork/knode/; revision=105445

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