message: Add a missing comment
  #codehealth
diff: @@ -62,7 +62,7 @@ class StateTable {
  CHECK_LT(id, idarray_.size());
  #ifdef ABSL_USES_STD_STRING_VIEW
  idarray_[id] = str;
  -#else
  +#else // ABSL_USES_STD_STRING_VIEW
  idarray_[id] = std::string(str);
  #endif // ABSL_USES_STD_STRING_VIEW
  }
  