message: Decrease visibility of cmyk_to_rgb fn.
diff: @@ -84,7 +84,7 @@ impl<'a, R: 'a + Read> ImageDecoder<'a> for JpegDecoder<R> {
  }
  }
  -pub fn cmyk_to_rgb(input: &[u8]) -> Vec<u8> {
  +fn cmyk_to_rgb(input: &[u8]) -> Vec<u8> {
  let count = input.len()/4;
  let mut output = vec![0; 3*count];
  