https://github.com/ImageMagick/ImageMagick/issues/58
static Image *ReadMNGImage(const ImageInfo *image_info,
   ExceptionInfo *exception)
{
  return(ReadPNGImage(image_info,exception));
}

static Image *ReadMNGImage(const ImageInfo *image_info,
   ExceptionInfo *exception)
{
  return(ReadPNGImage(image_info,exception));
}
