[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/udp_impl.h b/net/ipv4/udp_impl.h
index f6f4277..820a477 100644
--- a/net/ipv4/udp_impl.h
+++ b/net/ipv4/udp_impl.h
@@ -10,7 +10,7 @@
 
 extern int	__udp_lib_get_port(struct sock *sk, unsigned short snum,
 				   struct hlist_head udptable[], int *port_rover,
-		       	       	   int (*)(const struct sock*,const struct sock*));
+				   int (*)(const struct sock*,const struct sock*));
 extern int	ipv4_rcv_saddr_equal(const struct sock *, const struct sock *);