[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_log.c b/net/netfilter/nf_log.c
index c48aab5..91b220c 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -41,7 +41,7 @@
 
 	mutex_unlock(&nf_log_mutex);
 	return ret;
-}		
+}
 EXPORT_SYMBOL(nf_log_register);
 
 void nf_log_unregister_pf(int pf)
@@ -83,7 +83,7 @@
 	va_list args;
 	char prefix[NF_LOG_PREFIXLEN];
 	struct nf_logger *logger;
-	
+
 	rcu_read_lock();
 	logger = rcu_dereference(nf_loggers[pf]);
 	if (logger) {
@@ -136,7 +136,7 @@
 
 	if (!logger)
 		return seq_printf(s, "%2lld NONE\n", *pos);
-	
+
 	return seq_printf(s, "%2lld %s\n", *pos, logger->name);
 }