Update kernel headers to v3.18.3.

Bug: 19127803
Change-Id: I67fa0832322ddd0032d909476047578be052bcf2
diff --git a/libc/kernel/uapi/linux/tipc_config.h b/libc/kernel/uapi/linux/tipc_config.h
index ca5bc1d..64e17f6 100644
--- a/libc/kernel/uapi/linux/tipc_config.h
+++ b/libc/kernel/uapi/linux/tipc_config.h
@@ -107,7 +107,7 @@
 #define TIPC_MIN_LINK_WIN 16
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TIPC_DEF_LINK_WIN 50
-#define TIPC_MAX_LINK_WIN 150
+#define TIPC_MAX_LINK_WIN 8191
 struct tipc_node_info {
  __be32 addr;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */