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

err was set but unused.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 4c4e457..dc65324 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1878,7 +1878,6 @@
 
 static void xfrm_policy_queue_process(unsigned long arg)
 {
-	int err = 0;
 	struct sk_buff *skb;
 	struct sock *sk;
 	struct dst_entry *dst;
@@ -1941,7 +1940,7 @@
 		skb_dst_drop(skb);
 		skb_dst_set(skb, dst);
 
-		err = dst_output(skb);
+		dst_output(skb);
 	}
 
 out: