[NET] IPV4: Fix whitespace errors.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/protocol.c b/net/ipv4/protocol.c
index 05f5114..6cd6340 100644
--- a/net/ipv4/protocol.c
+++ b/net/ipv4/protocol.c
@@ -74,7 +74,7 @@
 /*
  *	Remove a protocol from the hash tables.
  */
- 
+
 int inet_del_protocol(struct net_protocol *prot, unsigned char protocol)
 {
 	int hash, ret;