message: Fix IsValidCommitmentToCoinRange check
diff: @@ -295,7 +295,7 @@ bool IsValidSerial(const ZerocoinParams* params, const CBigNum& bnSerial)
  bool IsValidCommitmentToCoinRange(const ZerocoinParams* params, const CBigNum& bnCommitment)
  {
  - return bnCommitment > CBigNum(0) && bnCommitment <= params->serialNumberSoKCommitmentGroup.modulus;
  + return bnCommitment > CBigNum(0) && bnCommitment < params->serialNumberSoKCommitmentGroup.modulus;
  }
  