message: Support ICO files with dimensions larger than 256
diff: @@ -231,7 +231,8 @@ impl DirEntry {
  }
  fn matches_dimensions(&self, width: u32, height: u32) -> bool {
  - u32::from(self.real_width()) == width && u32::from(self.real_height()) == height
  + u32::from(self.real_width()) == width.min(256)
  + && u32::from(self.real_height()) == height.min(256)
  }
  fn seek_to_start<R: Read + Seek>(&self, r: &mut R) -> ImageResult<()> {
  