openswitch: fix typo CONFIG_NF_CONNTRACK_LABEL

Fix typo in conntrack.c
s/CONFIG_NF_CONNTRACK_LABEL/CONFIG_NF_CONNTRACK_LABELS/

Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index 890d3ee..886bd27 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c
@@ -169,7 +169,7 @@
 	    nla_put_u32(skb, OVS_KEY_ATTR_CT_MARK, key->ct.mark))
 		return -EMSGSIZE;
 
-	if (IS_ENABLED(CONFIG_NF_CONNTRACK_LABEL) &&
+	if (IS_ENABLED(CONFIG_NF_CONNTRACK_LABELS) &&
 	    nla_put(skb, OVS_KEY_ATTR_CT_LABEL, sizeof(key->ct.label),
 		    &key->ct.label))
 		return -EMSGSIZE;