message: dnn: update InferenceEngine extension handling
diff: @@ -609,7 +609,7 @@ void InfEngineBackendNet::initPlugin(InferenceEngine::CNNNetwork& net)
  {
  candidates.push_back(param_pluginPath);
  }
  -
  +#if INF_ENGINE_VER_MAJOR_LE(INF_ENGINE_RELEASE_2019R3)
  if (device_name == "CPU" || device_name == "FPGA")
  {
  std::string suffixes[] = {"_avx2", "_sse4", ""};
  @@ -632,6 +632,7 @@ void InfEngineBackendNet::initPlugin(InferenceEngine::CNNNetwork& net)
  #endif // _WIN32
  }
  }
  +#endif
  bool found = false;
  for (size_t i = 0; i != candidates.size(); ++i)
  {
  