message: Fix skipping isprime check.
diff: @@ -239,7 +239,7 @@ bool CheckZerocoinMint(const CTxOut& txout, CBigNum& bnValue, CValidationState&
  if (!TxOutToPublicCoin(txout, pubCoin))
  return state.DoS(100, error("CheckZerocoinMint(): TxOutToPublicCoin() failed"));
  - if (!pubCoin.validate())
  + if (!fSkipZerocoinMintIsPrime && !pubCoin.validate())
  return state.DoS(100, error("CheckZerocoinMint() : PubCoin does not validate"));
  bnValue = pubCoin.getValue();
  