sched: align nlattr properly when needed

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/uapi/linux/gen_stats.h b/include/uapi/linux/gen_stats.h
index 6487317..52deccc 100644
--- a/include/uapi/linux/gen_stats.h
+++ b/include/uapi/linux/gen_stats.h
@@ -10,6 +10,7 @@
 	TCA_STATS_QUEUE,
 	TCA_STATS_APP,
 	TCA_STATS_RATE_EST64,
+	TCA_STATS_PAD,
 	__TCA_STATS_MAX,
 };
 #define TCA_STATS_MAX (__TCA_STATS_MAX - 1)