end repeat barline at end of system gets overshot by staff lines at space settings below the default of 1.764mm

1. Create a score
2. reduce space setting to e.g. 1.354mm (issue is visible at 1.664mm already but not at the default of 1.764mm, it gets worse the smaller the space setting is)
3. add an end repeat barline to the last measure or a measure at a system break (automatic or forced)
4. zoom in:
   

issue came up in http://www.notensatzforum.net/t2051f2-Darstellungsfehler.html