fix indentation summary plot mixing-plane for Nu turbulent quantity
fix indentation summary plot mixing-plane for Nu turbulent quantity

hlkline/SU2,drewkett/SU2,srange/SU2,srange/SU2,drewkett/SU2,hlkline/SU2,drewkett/SU2,srange/SU2,hlkline/SU2,hlkline/SU2,hlkline/SU2,drewkett/SU2,drewkett/SU2,srange/SU2