xfrm: fix set but not used warning in xfrm_policy_queue_process()

err was set but unused.

Signed-off-by: Fabian Frederick <[e-mail]>
Signed-off-by: Steffen Klassert <[e-mail]>

net/xfrm/xfrm_policy.c

···
 
 static void xfrm_policy_queue_process(unsigned long arg)
 {
-	int err = 0;
 	struct sk_buff *skb;
 	struct sock *sk;
 	struct dst_entry *dst;
···
 		skb_dst_drop(skb);
 		skb_dst_set(skb, dst);
 
-		err = dst_output(skb);
+		dst_output(skb);
 	}
 
 out: