message: Fix the usage of std::to_string
  Doesn't compile on android
diff: @@ -165,7 +165,7 @@ ONNX_OPERATOR_SET_SCHEMA(
  outputProduct *= targetShape[i];
  } else {
  // Check if value is less than -1; fail if so
  - fail_shape_inference("Invalid dimension value: " + std::to_string(targetShape[i]));
  + fail_shape_inference("Invalid dimension value: ", targetShape[i]);
  }
  }
  