message: Fix segfault on chainparams.
diff: @@ -96,7 +96,8 @@ libzerocoin::ZerocoinParams* CChainParams::Zerocoin_Params(bool useModulusV1) co
  assert(this);
  static CBigNum bnHexModulus(zerocoinModulus);
  static libzerocoin::ZerocoinParams ZCParamsHex = libzerocoin::ZerocoinParams(bnHexModulus);
  - static CBigNum bnDecModulus;
  + static CBigNum bnDecModulus = 0;
  + if (!bnDecModulus)
  bnDecModulus.SetDec(zerocoinModulus);
  static libzerocoin::ZerocoinParams ZCParamsDec = libzerocoin::ZerocoinParams(bnDecModulus);
  