libnl-tiny: backport 'gnet_stats_rate_est64' support

This has been added to the kernel uapi for a while, and makes
sense to have it here too.
At the moment we're using it for query-ing qdisc via netlink
using libnl-tiny.

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 49188

package/libs/libnl-tiny/src/include/linux/gen_stats.h

@@ -9,6 +9,7 @@ enum {
 	TCA_STATS_RATE_EST,
 	TCA_STATS_QUEUE,
 	TCA_STATS_APP,
+	TCA_STATS_RATE_EST64,
 	__TCA_STATS_MAX,
 };
 #define TCA_STATS_MAX (__TCA_STATS_MAX - 1)
@@ -35,6 +36,17 @@ struct gnet_stats_rate_est
 	__u32	pps;
 };
 
+/**
+ * struct gnet_stats_rate_est64 - rate estimator
+ * @bps: current byte rate
+ * @pps: current packet rate
+ */
+struct gnet_stats_rate_est64
+{
+	__u64	bps;
+	__u64	pps;
+};
+
 /**
  * struct gnet_stats_queue - queuing statistics
  * @qlen: queue length