replace missing space in listing formatting

src/listing.rs

@@ -321,7 +321,7 @@ impl Listing {
         );
         match self.kind {
             Kind::Normal(s) => print!("{s:>10} "),
-            _ => print!("{:>10}", "-"),
+            _ => print!("{:>10} ", "-"),
         }
         match NaiveDateTime::from_timestamp_opt(self.mtime as i64, 0) {
             Some(dt) => print!("{dt} "),