style(rm): reformat error assignment in safe_remove_dir_recursive_impl

Break the long error assignment line for better readability, ensuring consistent code formatting in the rm utility's Linux platform implementation.

Author: mattsu2020

src/uu/rm/src/platform/linux.rs

@@ -392,8 +392,8 @@ pub fn safe_remove_dir_recursive_impl(
             if let Some(pb) = progress_bar {
                 pb.inc(1);
             }
-            error = handle_unlink(&dir_fd, entry_name.as_ref(), &entry_path, false, options)
-                || error;
+            error =
+                handle_unlink(&dir_fd, entry_name.as_ref(), &entry_path, false, options) || error;
         }
     }