batman-adv: Fix kernel-doc for batadv_claim_free_ref

Signed-off-by: NSven Eckelmann <sven@narfation.org>
Signed-off-by: NMarek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: NAntonio Quartulli <a@unstable.cc>

net/batman-adv/bridge_loop_avoidance.c

@@ -165,7 +165,8 @@ static void batadv_claim_release(struct batadv_bla_claim *claim)
 }
 
 /**
- * batadv_claim_free_rcu - free a claim
+ * batadv_claim_free_ref - decrement the claim refcounter and possibly
+ *  release it
  * @claim: claim to be free'd
  */
 static void batadv_claim_free_ref(struct batadv_bla_claim *claim)