fix: shield-brim got odd number of brim lines, causing gaps (CURA-1062)
fix: shield-brim got odd number of brim lines, causing gaps (CURA-1062)

Ultimaker/CuraEngine,alephobjects/CuraEngine,ROBO3D/CuraEngine,alephobjects/CuraEngine,ROBO3D/CuraEngine,Ultimaker/CuraEngine,alephobjects/CuraEngine,ROBO3D/CuraEngine