message: Fix Elu import from ONNX
diff: @@ -777,6 +777,10 @@ void ONNXImporter::populateNet(Net dstNet)
  {
  layerParams.type = "ReLU";
  }
  + else if (layer_type == "Elu")
  + {
  + layerParams.type = "ELU";
  + }
  else if (layer_type == "PRelu")
  {
  layerParams.type = "PReLU";
  