6lowpan: iphc: Fix missing blank line after variable declarations

WARNING: Missing a blank line after declarations
+		struct sk_buff *new;
+		if (uncompress_udp_header(skb, &uh))

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

net/6lowpan/iphc.c

@@ -462,6 +462,7 @@ int lowpan_process_data(struct sk_buff *skb, struct net_device *dev,
 	if (iphc0 & LOWPAN_IPHC_NH_C) {
 		struct udphdr uh;
 		struct sk_buff *new;
+
 		if (uncompress_udp_header(skb, &uh))
 			goto drop;