batman-adv: Replace a seq_puts() call by seq_putc() in two functions

Two single characters (line breaks) should be put into a sequence.
Thus use the corresponding function "seq_putc".

This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>

net/batman-adv/bat_iv_ogm.c

@@ -1944,7 +1944,7 @@ static void batadv_iv_ogm_orig_print(struct batadv_priv *bat_priv,
 
 			batadv_iv_ogm_orig_print_neigh(orig_node, if_outgoing,
 						       seq);
-			seq_puts(seq, "\n");
+			seq_putc(seq, '\n');
 			batman_count++;
 
 next:

net/batman-adv/bat_v.c

@@ -400,7 +400,7 @@ static void batadv_v_orig_print(struct batadv_priv *bat_priv,
 				   neigh_node->if_incoming->net_dev->name);
 
 			batadv_v_orig_print_neigh(orig_node, if_outgoing, seq);
-			seq_puts(seq, "\n");
+			seq_putc(seq, '\n');
 			batman_count++;
 
 next: