rustfmt: hardlink_directory_tree_perfile signature

Author: erneestoc

nativelink-util/src/fs_util.rs

@@ -136,10 +136,7 @@ pub async fn hardlink_directory_tree(src_dir: &Path, dst_dir: &Path) -> Result<C
 /// and the fallback it takes on macOS when `clonefile(2)` fails. Not part of
 /// the public API surface — `#[doc(hidden)]`.
 #[doc(hidden)]
-pub async fn hardlink_directory_tree_perfile(
-    src_dir: &Path,
-    dst_dir: &Path,
-) -> Result<(), Error> {
+pub async fn hardlink_directory_tree_perfile(src_dir: &Path, dst_dir: &Path) -> Result<(), Error> {
     error_if!(
         !src_dir.exists(),
         "Source directory does not exist: {}",