message: COMP: fix constness following InsightSoftwareConsortium/ITK@42bfdd5a4ca8c51211dd2ee2c42cc070a064b925
diff: std::cerr << "Invalid requested region error triggered by " \
  << rInv->GetDataObject()->GetSource()->GetNameOfClass() << std::endl; \
  } \
  - itk::ImageBase<3> * img; \
  - img = dynamic_cast<itk::ImageBase<3> *>(rInv->GetDataObject()); \
  + const itk::ImageBase<3> * img = dynamic_cast<const itk::ImageBase<3> *>(rInv->GetDataObject()); \
  if (img) \
  { \
  DD(img->GetRequestedRegion()) \
  