message: Rename nSubtractFeeFromAmount in CreateTransaction
  Renamed to outputs_to_subtract_fee_from for clarity.
diff: @@ -583,7 +583,7 @@ bool CWallet::CreateTransactionInternal(
  CAmount recipients_sum = 0;
  const OutputType change_type = TransactionChangeType(coin_control.m_change_type ? *coin_control.m_change_type : m_default_change_type, vecSend);
  ReserveDestination reservedest(this, change_type);
  - unsigned int nSubtractFeeFromAmount = 0;
  + unsigned int outputs_to_subtract_fee_from = 0; // The number of outputs which we are subtracting the fee from
  for (const auto& recipient : vecSend)
  {
  if (recipients_sum < 0 || recipient.nAmount < 0)
  @@ -594,7 +594,7 @@ bool CWallet::CreateTransactionInternal(
  recipients_sum += recipient.nAmount;
  if (recipient.fSubtractFeeFromAmount)
  - nSubtractFeeFromAmount++;
  + outputs_to_subtract_fee_from++;
  }
  if (vecSend.empty())
  {
  @@ -684,7 +684,7 @@ bool CWallet::CreateTransactionInternal(
  coin_selection_params.m_change_fee = coin_selection_params.m_effective_feerate.GetFee(coin_selection_params.change_output_size);
  coin_selection_params.m_cost_of_change = coin_selection_params.m_discard_feerate.GetFee(coin_selection_params.change_spend_size) + coin_selection_params.m_change_fee;
  - coin_selection_params.m_subtract_fee_outputs = nSubtractFeeFromAmount != 0; // If we are doing subtract fee from recipient, don't use effective values
  + coin_selection_params.m_subtract_fee_outputs = outputs_to_subtract_fee_from != 0; // If we are doing subtract fee from recipient, don't use effective values
  // vouts to the payees
  if (!coin_selection_params.m_subtract_fee_outputs) {
  @@ -757,7 +757,7 @@ bool CWallet::CreateTransactionInternal(
  // Subtract fee from the change output if not subtracting it from recipient outputs
  CAmount fee_needed = nFeeRet;
  - if (nSubtractFeeFromAmount == 0) {
  + if (outputs_to_subtract_fee_from == 0) {
  change_position->nValue -= fee_needed;
  }
  @@ -783,7 +783,7 @@ bool CWallet::CreateTransactionInternal(
  }
  // Reduce output values for subtractFeeFromAmount
  - if (nSubtractFeeFromAmount != 0) {
  + if (outputs_to_subtract_fee_from != 0) {
  CAmount to_reduce = fee_needed + change_amount - change_and_fee;
  int i = 0;
  bool fFirst = true;
  @@ -796,12 +796,12 @@ bool CWallet::CreateTransactionInternal(
  if (recipient.fSubtractFeeFromAmount)
  {
  - txout.nValue -= to_reduce / nSubtractFeeFromAmount; // Subtract fee equally from each selected recipient
  + txout.nValue -= to_reduce / outputs_to_subtract_fee_from; // Subtract fee equally from each selected recipient
  if (fFirst) // first receiver pays the remainder not divisible by output count
  {
  fFirst = false;
  - txout.nValue -= to_reduce % nSubtractFeeFromAmount;
  + txout.nValue -= to_reduce % outputs_to_subtract_fee_from;
  }
  // Error if this output is reduced to be below dust
  