batman-adv: Combine two seq_puts() calls into one call in batadv_nc_nodes_seq_print_text()

A bit of text was put into a sequence by two separate function calls.
Print the same data by a single function call instead.

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/network-coding.c

@@ -1935,9 +1935,7 @@ int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset)
 						list)
 				seq_printf(seq, "%pM ",
 					   nc_node->addr);
-			seq_puts(seq, "\n");
-
-			seq_puts(seq, " Outgoing: ");
+			seq_puts(seq, "\n Outgoing: ");
 			/* For out_nc_node to this orig_node */
 			list_for_each_entry_rcu(nc_node,
 						&orig_node->out_coding_list,