mpls: remove trailing whitepace

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/mpls/mpls_iptunnel.c b/net/mpls/mpls_iptunnel.c
index 6e558a4..94f53a9 100644
--- a/net/mpls/mpls_iptunnel.c
+++ b/net/mpls/mpls_iptunnel.c
@@ -224,7 +224,7 @@ static int mpls_fill_encap_info(struct sk_buff *skb,
 				struct lwtunnel_state *lwtstate)
 {
 	struct mpls_iptunnel_encap *tun_encap_info;
-	
+
 	tun_encap_info = mpls_lwtunnel_encap(lwtstate);
 
 	if (nla_put_labels(skb, MPLS_IPTUNNEL_DST, tun_encap_info->labels,