message: Repair GenericOneByteExtension memory leak.
diff: @@ -197,6 +197,9 @@ class GenericOneByteExtension {
  char *payload = buf + 1;
  sprintf(data, "%*.*s", length, length, payload); // NOLINT
  }
  + ~GenericOneByteExtension() {
  + free(data);
  + }
  inline uint8_t getId() {
  return ext_info >> 4;
  }
  