message: Remove the ability to chain method calls in JpegDecoder::set_pixel_density
  requested by in
diff: @@ -423,9 +423,8 @@ impl<'a, W: Write> JPEGEncoder<'a, W> {
  /// Set the pixel density of the images the encoder will encode.
  /// If this method is not called, then a default pixel aspect ratio of 1x1 will be applied,
  /// and no DPI information will be stored in the image.
  - pub fn set_pixel_density(&mut self, pixel_density: PixelDensity) -> &mut Self {
  + pub fn set_pixel_density(&mut self, pixel_density: PixelDensity) {
  self.pixel_density = pixel_density;
  - self
  }
  /// Encodes the image ```image```
  