message: relay zcspends that were not relayed for zero fee
diff: @@ -3980,7 +3980,8 @@ bool PeerLogicValidation::SendMessages(CNode* pto)
  if (!txinfo.tx) {
  continue;
  }
  - if (filterrate && txinfo.feeRate.GetFeePerK() < filterrate) {
  +
  + if (filterrate && txinfo.feeRate.GetFeePerK() < filterrate && !txinfo.tx.get()->IsZerocoinSpend()) {
  continue;
  }
  if (pto->pfilter && !pto->pfilter->IsRelevantAndUpdate(*txinfo.tx)) continue;
  