message: Annotate unused variable
  v is not used since string tensor population has special handling, but this variable still serves the purpose of checking the incoming tensor type.
  Add the unused attribute to silence this specific warning.
diff: @@ -145,7 +145,7 @@ inline absl::Status PopulateVector(const TfLiteTensor* tensor,
  template <>
  inline absl::Status PopulateVector<std::string>(
  const TfLiteTensor* tensor, std::vector<std::string>* data) {
  - std::string* v;
  + std::string* v __attribute__((unused));
  ASSIGN_OR_RETURN(v, AssertAndReturnTypedTensor<std::string>(tensor));
  int num = GetStringCount(tensor);
  data->reserve(num);
  