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/igmp.c b/net/ipv4/igmp.c
index ceaac24..6699f23 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -344,10 +344,10 @@
 	pip->protocol = IPPROTO_IGMP;
 	pip->tot_len  = 0;	/* filled in later */
 	ip_select_ident(pip, &rt->dst, NULL);
-	((u8*)&pip[1])[0] = IPOPT_RA;
-	((u8*)&pip[1])[1] = 4;
-	((u8*)&pip[1])[2] = 0;
-	((u8*)&pip[1])[3] = 0;
+	((u8 *)&pip[1])[0] = IPOPT_RA;
+	((u8 *)&pip[1])[1] = 4;
+	((u8 *)&pip[1])[2] = 0;
+	((u8 *)&pip[1])[3] = 0;
 
 	skb->transport_header = skb->network_header + sizeof(struct iphdr) + 4;
 	skb_put(skb, sizeof(*pig));
@@ -688,10 +688,10 @@
 	iph->saddr    = fl4.saddr;
 	iph->protocol = IPPROTO_IGMP;
 	ip_select_ident(iph, &rt->dst, NULL);
-	((u8*)&iph[1])[0] = IPOPT_RA;
-	((u8*)&iph[1])[1] = 4;
-	((u8*)&iph[1])[2] = 0;
-	((u8*)&iph[1])[3] = 0;
+	((u8 *)&iph[1])[0] = IPOPT_RA;
+	((u8 *)&iph[1])[1] = 4;
+	((u8 *)&iph[1])[2] = 0;
+	((u8 *)&iph[1])[3] = 0;
 
 	ih = (struct igmphdr *)skb_put(skb, sizeof(struct igmphdr));
 	ih->type = type;