Update runtime files.
diff --git a/runtime/indent/cpp.vim b/runtime/indent/cpp.vim
index 9ae126a..ffa37d7 100644
--- a/runtime/indent/cpp.vim
+++ b/runtime/indent/cpp.vim
@@ -1,7 +1,7 @@
" Vim indent file
" Language: C++
" Maintainer: Bram Moolenaar <Bram@vim.org>
-" Last Change: 2001 Jun 12
+" Last Change: 2008 Nov 29
" Only load this indent file when no other was loaded.
if exists("b:did_indent")
@@ -11,3 +11,5 @@
" C++ indenting is built-in, thus this is very simple
setlocal cindent
+
+let b:undo_indent = "setl cin<"