Update runtime files
diff --git a/runtime/indent/objc.vim b/runtime/indent/objc.vim
index a5451a5..1d10705 100644
--- a/runtime/indent/objc.vim
+++ b/runtime/indent/objc.vim
@@ -1,9 +1,7 @@
" Vim indent file
" Language: Objective-C
" Maintainer: Kazunobu Kuriyama <kazunobu.kuriyama@nifty.com>
-" Last Change: 2004 May 16
-"
-
+" Last Change: 2022 Apr 06
" Only load this indent file when no other was loaded.
if exists("b:did_indent")
@@ -19,6 +17,8 @@
setlocal indentkeys-=:
setlocal indentkeys+=<:>
+let b:undo_indent = "setl cin< inde< indk<"
+
" Only define the function once.
if exists("*GetObjCIndent")
finish