[cpu] C99ify normalizeSamples
[cpu] C99ify normalizeSamples


Former-commit-id: 33f42ebef75a5d50abf6da24bb22cbb662e209af
pencil-language/pencil-benchmark,dividiti/pencil-benchmark,dividiti/pencil-benchmark,dividiti/pencil-benchmark,pencil-language/pencil-benchmark,rbaghdadi/pencil-benchmark,pencil-language/pencil-benchmark,rbaghdadi/pencil-benchmark,rbaghdadi/pencil-benchmark