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_sockglue.c b/net/ipv4/ip_sockglue.c
index 2fd0fba..0a87e1f 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -90,7 +90,7 @@
 static void ip_cmsg_recv_retopts(struct msghdr *msg, struct sk_buff *skb)
 {
 	unsigned char optbuf[sizeof(struct ip_options) + 40];
-	struct ip_options * opt = (struct ip_options *)optbuf;
+	struct ip_options *opt = (struct ip_options *)optbuf;
 
 	if (IPCB(skb)->opt.optlen == 0)
 		return;