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/raw.c b/net/ipv4/raw.c
index bbd604c..4032b81 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -288,7 +288,7 @@
 	read_unlock(&raw_v4_hashinfo.lock);
 }
 
-static int raw_rcv_skb(struct sock * sk, struct sk_buff * skb)
+static int raw_rcv_skb(struct sock *sk, struct sk_buff *skb)
 {
 	/* Charge it to the socket. */