batman-adv: use seq_puts instead of seq_printf when the format is constant

As reported by checkpatch, seq_puts has to be preferred with
respect to seq_printf when the format is a constant string
(no va_args)

Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index 585e684..2f34525 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -465,7 +465,7 @@
 					   neigh_node_tmp->tq_avg);
 			}
 
-			seq_printf(seq, "\n");
+			seq_puts(seq, "\n");
 			batman_count++;
 
 next:
@@ -475,7 +475,7 @@
 	}
 
 	if (batman_count == 0)
-		seq_printf(seq, "No batman nodes in range ...\n");
+		seq_puts(seq, "No batman nodes in range ...\n");
 
 out:
 	if (primary_if)