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/tcp_probe.c b/net/ipv4/tcp_probe.c
index a981cdc..a8df705 100644
--- a/net/ipv4/tcp_probe.c
+++ b/net/ipv4/tcp_probe.c
@@ -138,7 +138,7 @@
 	.entry	= jtcp_rcv_established,
 };
 
-static int tcpprobe_open(struct inode * inode, struct file * file)
+static int tcpprobe_open(struct inode *inode, struct file *file)
 {
 	/* Reset (empty) log */
 	spin_lock_bh(&tcp_probe.lock);