operator < problem fixed
operator < problem fixed

git-svn-id: 668645f5c615c5338f34c47d21d9e584f02cf8c0@200 8aebba32-5d12-0410-a889-bbfed4e15866

maekitalo/tntdb,OlafRadicke/tntdb,maekitalo/tntdb,OlafRadicke/tntdb