Check_MK Werk 1765: Fixed bug when generating nagvis backends while having sites with livestatus proxy configured

ID: 1765 Title: Fixed bug when generating nagvis backends while having sites with livestatus proxy configured Component: WATO Level: 1 Class: Bug Fix Version: 1.2.7i1 An exception occured everytime a site was saved when having at least one site configured which uses a connection via livestatus proxy daemon.