batman-adv: replace HZ calculations with jiffies_to_msecs()

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Acked-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c
index 7c66b61..8e74d97 100644
--- a/net/batman-adv/send.c
+++ b/net/batman-adv/send.c
@@ -292,7 +292,7 @@
 	/* if we still have some more bcasts to send */
 	if (forw_packet->num_packets < 3) {
 		_add_bcast_packet_to_list(bat_priv, forw_packet,
-					  ((5 * HZ) / 1000));
+					  msecs_to_jiffies(5));
 		return;
 	}