clippy:needless_borrow

warning: this expression borrows a value the compiler would automatically borrow
   --> src/cmd/extsort.rs:233:52
    |
233 |         let Ok(position) = atoi_simd::parse::<u64>((&line[line.len() - width..]).as_bytes()) else {
    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `line[line.len() - width..]`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
    = note: `#[warn(clippy::needless_borrow)]` on by default

src/cmd/extsort.rs

@@ -230,7 +230,7 @@ fn sort_csv(
 
     for l in sorted_line_rdr.lines() {
         line.clone_from(&l?);
-        let Ok(position) = atoi_simd::parse::<u64>((&line[line.len() - width..]).as_bytes()) else {
+        let Ok(position) = atoi_simd::parse::<u64>(line[line.len() - width..].as_bytes()) else {
             return fail!("Failed to retrieve position: invalid integer");
         };