Fixed an off-by-one error in vformat
Fixed an off-by-one error in vformat

Gerii/ustl,PetteriAimonen/ustl,msharov/ustl,szastupov/ustl,dgruss/ustl,szastupov/ustl,msharov/ustl,dgruss/ustl,NoSuchProcess/ustl,Gerii/ustl,uusirant/ustl-cmake,NoSuchProcess/ustl,uusirant/ustl-cmake,PetteriAimonen/ustl,PetteriAimonen/ustl