message: Use more accurate time to display zPiv mints.
diff: @@ -965,7 +965,7 @@ int64_t CWalletTx::GetTxTime() const
  int64_t CWalletTx::GetComputedTxTime() const
  {
  int64_t nTime = GetTxTime();
  - if (IsZerocoinSpend()) {
  + if (IsZerocoinSpend() || IsZerocoinMint()) {
  if (IsInMainChain())
  return mapBlockIndex.at(hashBlock)->GetBlockTime();
  else
  