Fix error reported by valSwap from gocritic

Signed-off-by: Arnaud Meukam <ameukam@gmail.com>

Author: ameukam

util/pkg/tables/format.go

@@ -121,9 +121,7 @@ func (t *Table) Render(items interface{}, out io.Writer, columnNames ...string)
 	}
 
 	SortByFunction(n, func(i, j int) {
-		row := rows[i]
-		rows[i] = rows[j]
-		rows[j] = row
+		rows[i], rows[j] = rows[j], rows[i]
 	}, func(i, j int) bool {
 		l := rows[i]
 		r := rows[j]