Update runtime files.

runtime/indent/dtd.vim

@@ -3,9 +3,6 @@
 " Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
 " Latest Revision:      2011-07-08
 
-let s:cpo_save = &cpo
-set cpo&vim
-
 setlocal indentexpr=GetDTDIndent()
 setlocal indentkeys=!^F,o,O,>
 setlocal nosmartindent
@@ -14,6 +11,9 @@ if exists("*GetDTDIndent")
   finish
 endif
 
+let s:cpo_save = &cpo
+set cpo&vim
+
 " TODO: Needs to be adjusted to stop at [, <, and ].
 let s:token_pattern = '^[^[:space:]]\+'