message: Update pandas_scan.cpp
diff: @@ -184,7 +184,7 @@ py::object PandasScanFunction::PandasReplaceCopiedNames(const py::object &origin
  for (auto &column_name_py : df_columns) {
  const string column_name = py::str(column_name_py);
  - name_map[column_name]++;
  + name_map[column_name] = 1;
  }
  for (auto &column_name_py : df_columns) {
  @@ -194,8 +194,8 @@ py::object PandasScanFunction::PandasReplaceCopiedNames(const py::object &origin
  column_name_list.append(column_name);
  columns_seen.insert(column_name);
  } else {
  - // `column_name` already seen. Deduplicate by with suffix _{x} where x starts at the repetition number of `column_name`
  - // If `column_name_{x}` already exists in `name_map`, increment x and try again.
  + // `column_name` already seen. Deduplicate by with suffix _{x} where x starts at the repetition number of
  + // `column_name` If `column_name_{x}` already exists in `name_map`, increment x and try again.
  string new_column_name = column_name + "_" + std::to_string(name_map[column_name]);
  while (name_map.find(new_column_name) != name_map.end()) {
  // This name is already here due to a previous definition
  