fixed cargo fmt -- --check

Author: zachelnet

crates/koharu-app/src/renderer.rs

@@ -1538,7 +1538,8 @@ mod tests {
     #[test]
     fn rotate_sprite_expand_90deg_swaps_dimensions() {
         let src = make_test_sprite(40, 20);
-        let (rotated, _min_x, _min_y) = rotate_sprite_expand_top_left(&src, std::f32::consts::FRAC_PI_2);
+        let (rotated, _min_x, _min_y) =
+            rotate_sprite_expand_top_left(&src, std::f32::consts::FRAC_PI_2);
         // A 90° rotation swaps width and height, plus bilinear rounding = roughly 20×40.
         assert!(
             rotated.width() >= 20 && rotated.width() <= 22,