message: Fix GPU delegate condition in inference stage
diff: @@ -75,7 +75,7 @@ TfLiteStatus TfliteInferenceStage::Init() {
  }
  } else if (params.delegate() == TfliteInferenceParams::GPU) {
  Interpreter::TfLiteDelegatePtr delegate = CreateGPUDelegate(model_.get());
  - if (!delegate) {
  + if (delegate) {
  delegates_.push_back(std::move(delegate));
  } else {
  LOG(WARNING) << "GPU not supported";
  