Improve guard so it works for no eof new line

indent/html.vim

@@ -1,4 +1,5 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'html5') == -1
+
 " Vim indent script for HTML
 " Header: "{{{
 " Maintainer:	Bram Moolenaar
@@ -1060,4 +1061,5 @@ let &cpo = s:cpo_save
 unlet s:cpo_save
 
 " vim: fdm=marker ts=8 sw=2 tw=78
+
 endif