message: Use MakeTransactionRef in blockencodings.cpp
diff: @@ -78,7 +78,7 @@ ReadStatus PartiallyDownloadedBlock::InitData(const CBlockHeaderAndShortTxIDs &c
  // have neither a prefilled txn or a shorttxid!
  return READ_STATUS_INVALID;
  }
  - txn_available[lastprefilledindex] = std::make_shared<CTransaction>(cmpctblock.prefilledtxn[i].tx);
  + txn_available[lastprefilledindex] = MakeTransactionRef(cmpctblock.prefilledtxn[i].tx);
  }
  prefilled_count = cmpctblock.prefilledtxn.size();
  