Update kernel headers to v3.18.3.

Bug: 19127803
Change-Id: I67fa0832322ddd0032d909476047578be052bcf2
diff --git a/libc/kernel/uapi/linux/netdevice.h b/libc/kernel/uapi/linux/netdevice.h
index 0bc0ae2..588d249 100644
--- a/libc/kernel/uapi/linux/netdevice.h
+++ b/libc/kernel/uapi/linux/netdevice.h
@@ -26,20 +26,26 @@
 #define MAX_ADDR_LEN 32
 #define INIT_NETDEV_GROUP 0
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define NET_NAME_UNKNOWN 0
+#define NET_NAME_ENUM 1
+#define NET_NAME_PREDICTABLE 2
+#define NET_NAME_USER 3
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define NET_NAME_RENAMED 4
 enum {
  IF_PORT_UNKNOWN = 0,
  IF_PORT_10BASE2,
- IF_PORT_10BASET,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ IF_PORT_10BASET,
  IF_PORT_AUI,
  IF_PORT_100BASET,
  IF_PORT_100BASETX,
- IF_PORT_100BASEFX
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ IF_PORT_100BASEFX
 };
 #define NET_ADDR_PERM 0
 #define NET_ADDR_RANDOM 1
-#define NET_ADDR_STOLEN 2
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define NET_ADDR_STOLEN 2
 #define NET_ADDR_SET 3
 #endif