message: [C++] Minireflect: Add option to indent when converting table to string
diff: @@ -407,8 +407,9 @@ struct ToStringVisitor : public IterationVisitor {
  inline std::string FlatBufferToString(const uint8_t *buffer,
  const TypeTable *type_table,
  bool multi_line = false,
  - bool vector_delimited = true) {
  - ToStringVisitor tostring_visitor(multi_line ? "\n" : " ", false, "",
  + bool vector_delimited = true,
  + const std::string& indent = "") {
  + ToStringVisitor tostring_visitor(multi_line ? "\n" : " ", false, indent,
  vector_delimited);
  IterateFlatBuffer(buffer, type_table, &tostring_visitor);
  return tostring_visitor.s;
  