[NETFILTER]: Fix whitespace errors

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/nf_internals.h b/net/netfilter/nf_internals.h
index a981971..0df7fff 100644
--- a/net/netfilter/nf_internals.h
+++ b/net/netfilter/nf_internals.h
@@ -24,7 +24,7 @@
 
 /* nf_queue.c */
 extern int nf_queue(struct sk_buff *skb,
-		    struct list_head *elem, 
+		    struct list_head *elem,
 		    int pf, unsigned int hook,
 		    struct net_device *indev,
 		    struct net_device *outdev,