ieee802154: remove unnecessary break after goto

Signed-off-by: NFabian Frederick <fabf@skynet.be>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ieee802154/6lowpan_iphc.c

@@ -297,7 +297,6 @@ uncompress_udp_header(struct sk_buff *skb, struct udphdr *uh)
 		default:
 			pr_debug("ERROR: unknown UDP format\n");
 			goto err;
-			break;
 		}
 
 		pr_debug("uncompressed UDP ports: src = %d, dst = %d\n",