message: [Wallet] fix segfault when missing dest add in CreateZerocoinSpendTransaction
diff: @@ -6248,8 +6248,8 @@ bool CWallet::CreateZerocoinSpendTransaction(CAmount nValue, int nSecurityLevel,
  return false;
  }
  - if (nChange > 0 && !address) {
  - receipt.SetStatus("Need address because change is not exact", nStatus);
  + if (!address) {
  + receipt.SetStatus("No address provided", nStatus);
  return false;
  }
  