Fix more 'cpo' issues in runtime files.
diff --git a/runtime/indent/mp.vim b/runtime/indent/mp.vim
index 1aea4f8..a118eb8 100644
--- a/runtime/indent/mp.vim
+++ b/runtime/indent/mp.vim
@@ -1,7 +1,7 @@
" MetaPost indent file
" Language: MetaPost
" Maintainer: Eugene Minkovskii <emin@mccme.ru>
-" Last Change: 2003 Nov 21
+" Last Change: 2012 May 18
" Version: 0.1
" ==========================================================================
@@ -56,6 +56,8 @@
if exists("*GetMetaPostIndent")
finish
endif
+let s:keepcpo= &cpo
+set cpo&vim
" Auxiliary Definitions: {{{1
function! MetaNextNonblankNoncomment(pos)
@@ -203,4 +205,7 @@
endfunction
"
+let &cpo = s:keepcpo
+unlet s:keepcpo
+
" vim:sw=2:fdm=marker