batman-adv: Prefix hash static inline functions with batadv_

All non-static symbols of batman-adv were prefixed with batadv_ to avoid
collisions with other symbols of the kernel. Other symbols of batman-adv
should use the same prefix to keep the naming scheme consistent.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index 90d24fc..623c23c 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -248,8 +248,9 @@
 	if (!orig_node->bcast_own_sum)
 		goto free_bcast_own;
 
-	hash_added = hash_add(bat_priv->orig_hash, compare_orig,
-			      choose_orig, orig_node, &orig_node->hash_entry);
+	hash_added = batadv_hash_add(bat_priv->orig_hash, compare_orig,
+				     choose_orig, orig_node,
+				     &orig_node->hash_entry);
 	if (hash_added != 0)
 		goto free_bcast_own_sum;