Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/sunrpc/auth_gss.h b/include/linux/sunrpc/auth_gss.h
index 0c9eac3..30427b7 100644
--- a/include/linux/sunrpc/auth_gss.h
+++ b/include/linux/sunrpc/auth_gss.h
@@ -70,6 +70,7 @@
 	refcount_t		count;
 	enum rpc_gss_proc	gc_proc;
 	u32			gc_seq;
+	u32			gc_seq_xmit;
 	spinlock_t		gc_seq_lock;
 	struct gss_ctx		*gc_gss_ctx;
 	struct xdr_netobj	gc_wire_ctx;