Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/net/fib_notifier.h b/include/net/fib_notifier.h
index c91ec73..c49d7bf 100644
--- a/include/net/fib_notifier.h
+++ b/include/net/fib_notifier.h
@@ -2,10 +2,11 @@
 #define __NET_FIB_NOTIFIER_H
 
 #include <linux/types.h>
-#include <linux/module.h>
 #include <linux/notifier.h>
 #include <net/net_namespace.h>
 
+struct module;
+
 struct fib_notifier_info {
 	struct net *net;
 	int family;