message: use correct reserve capacity for op's results
diff: @@ -1370,7 +1370,7 @@ Optional<BufferOffset<tflite::SubGraph>> Translator::BuildSubGraph(
  // Fetch operand and result tensor indices.
  std::vector<int32_t> results;
  - results.reserve(inst.getNumOperands());
  + results.reserve(inst.getNumResults());
  for (auto result : inst.getResults()) {
  results.push_back(tensor_index_map.lookup(result));
  }
  