buxfix about the structuring element
buxfix about the structuring element


Former-commit-id: 0601b682ff21cfe3eb65e34e8a8a1a8abb116e5e
pencil-language/pencil-benchmark,dividiti/pencil-benchmark,rbaghdadi/pencil-benchmark,dividiti/pencil-benchmark,pencil-language/pencil-benchmark,rbaghdadi/pencil-benchmark,rbaghdadi/pencil-benchmark,pencil-language/pencil-benchmark,dividiti/pencil-benchmark