ipv4: fix checkpatch errors

Fix checkpatch errors of the following type:
	* ERROR: "foo * bar" should be "foo *bar"
	* ERROR: "(foo*)" should be "(foo *)"

Signed-off-by: Daniel Baluta <dbaluta@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/udp_impl.h b/net/ipv4/udp_impl.h
index aaad650..5a681e2 100644
--- a/net/ipv4/udp_impl.h
+++ b/net/ipv4/udp_impl.h
@@ -25,7 +25,7 @@
 			    size_t len, int noblock, int flags, int *addr_len);
 extern int	udp_sendpage(struct sock *sk, struct page *page, int offset,
 			     size_t size, int flags);
-extern int	udp_queue_rcv_skb(struct sock * sk, struct sk_buff *skb);
+extern int	udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
 extern void	udp_destroy_sock(struct sock *sk);
 
 #ifdef CONFIG_PROC_FS