batman-adv: beautify supported routing algorithm list

Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index 50fc07b..e61c5f3 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.c
@@ -584,7 +584,7 @@
 	seq_puts(seq, "Available routing algorithms:\n");
 
 	hlist_for_each_entry(bat_algo_ops, &batadv_algo_list, list) {
-		seq_printf(seq, "%s\n", bat_algo_ops->name);
+		seq_printf(seq, " * %s\n", bat_algo_ops->name);
 	}
 
 	return 0;