Fix minor color bug

If we are not using RED then the Color should be the terminal default
not 7

src/tests.rs

@@ -279,4 +279,3 @@ fn recursive_sym_link_output(dir: &str, link_name: &str) -> String {
         format_string(link_name, true, true, "   0B", " └──",),
     )
 }
-