[IPV4]: cleanup

Add whitespace around keywords.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index 2ce5b69..b0182aa 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -1174,7 +1174,7 @@
 	u16 cat_low;
 	u16 cat_high;
 
-	for(net_iter = 0; net_iter < net_cat_len; net_iter += 4) {
+	for (net_iter = 0; net_iter < net_cat_len; net_iter += 4) {
 		cat_high = ntohs(*((__be16 *)&net_cat[net_iter]));
 		if ((net_iter + 4) <= net_cat_len)
 			cat_low = ntohs(*((__be16 *)&net_cat[net_iter + 2]));