Update runtime files.

runtime/indent/yaml.vim

@@ -2,16 +2,13 @@
 " Language:	YAML
 " Maintainer:	Nikolai Pavlov <zyx.vim@gmail.com>
 " Last Update:	Lukas Reineke
-" Last Change:	2020 Jun 07
+" Last Change:	2021 Jan 19
 
 " Only load this indent file when no other was loaded.
 if exists('b:did_indent')
   finish
 endif
 
-let s:save_cpo = &cpo
-set cpo&vim
-
 let b:did_indent = 1
 
 setlocal indentexpr=GetYAMLIndent(v:lnum)
@@ -25,6 +22,9 @@ if exists('*GetYAMLIndent')
     finish
 endif
 
+let s:save_cpo = &cpo
+set cpo&vim
+
 function s:FindPrevLessIndentedLine(lnum, ...)
     let prevlnum = prevnonblank(a:lnum-1)
     let curindent = a:0 ? a:1 : indent(a:lnum)