Fix divide by 0 in FSE_normalizeM2

Cyan4973 / FiniteStateEntropy

New generation entropy codecs : Finite State Entropy and Huff0

BSD 2-Clause "Simplified" License

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Closed sean-purcell closed 7 years ago

sean-purcell commented 7 years ago

FSE_normalizeM2 had a corner case that could cause a divide by 0 to occur, crashing the program. Test added that fails against old version.