message: fix borrowing issues for 1.34
diff: @@ -189,7 +189,8 @@ pub fn rotate180_in_place<I: GenericImage>(image: &mut I) {
  let x2 = width - x - 1;
  let y2 = height - y - 1;
  - image.put_pixel(x, y, image.get_pixel(x2, y2));
  + let p2 = image.get_pixel(x2, y2);
  + image.put_pixel(x, y, p2);
  image.put_pixel(x2, y2, p);
  }
  }
  @@ -201,7 +202,8 @@ pub fn rotate180_in_place<I: GenericImage>(image: &mut I) {
  let p = image.get_pixel(x, middle);
  let x2 = width - x - 1;
  - image.put_pixel(x, middle, image.get_pixel(x2, middle));
  + let p2 = image.get_pixel(x2, middle);
  + image.put_pixel(x, middle, p2);
  image.put_pixel(x2, middle, p);
  }
  }
  @@ -215,7 +217,8 @@ pub fn flip_horizontal_in_place<I: GenericImage>(image: &mut I) {
  for x in 0..width / 2 {
  let x2 = width - x - 1;
  let p2 = image.get_pixel(x2, y);
  - image.put_pixel(x2, y, image.get_pixel(x, y));
  + let p = image.get_pixel(x, y);
  + image.put_pixel(x2, y, p);
  image.put_pixel(x, y, p2);
  }
  }
  @@ -229,7 +232,8 @@ pub fn flip_vertical_in_place<I: GenericImage>(image: &mut I) {
  for x in 0..width {
  let y2 = height - y - 1;
  let p2 = image.get_pixel(x, y2);
  - image.put_pixel(x, y2, image.get_pixel(x, y));
  + let p = image.get_pixel(x, y);
  + image.put_pixel(x, y2, p);
  image.put_pixel(x, y, p2);
  }
  }
  