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/ip_forward.c b/net/ipv4/ip_forward.c
index 29a07b6..e5c44fc 100644
--- a/net/ipv4/ip_forward.c
+++ b/net/ipv4/ip_forward.c
@@ -41,7 +41,7 @@
 
 static int ip_forward_finish(struct sk_buff *skb)
 {
-	struct ip_options * opt	= &(IPCB(skb)->opt);
+	struct ip_options *opt	= &(IPCB(skb)->opt);
 
 	IP_INC_STATS_BH(dev_net(skb_dst(skb)->dev), IPSTATS_MIB_OUTFORWDATAGRAMS);
 
@@ -55,7 +55,7 @@
 {
 	struct iphdr *iph;	/* Our header */
 	struct rtable *rt;	/* Route we use */
-	struct ip_options * opt	= &(IPCB(skb)->opt);
+	struct ip_options *opt	= &(IPCB(skb)->opt);
 
 	if (skb_warn_if_lro(skb))
 		goto drop;