Update kernel headers to v3.16.1

Change-Id: I6dfc0dc4e53b1d2de9b4e876144a22bba184f8e4
diff --git a/original/uapi/linux/tcp.h b/original/uapi/linux/tcp.h
index 377f1e5..3b97183 100644
--- a/original/uapi/linux/tcp.h
+++ b/original/uapi/linux/tcp.h
@@ -186,6 +186,9 @@
 	__u32	tcpi_rcv_space;
 
 	__u32	tcpi_total_retrans;
+
+	__u64	tcpi_pacing_rate;
+	__u64	tcpi_max_pacing_rate;
 };
 
 /* for TCP_MD5SIG socket option */