Improve guard so it works for no eof new line

indent/javascript.vim

@@ -1,4 +1,5 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'javascript') == -1
+
 " Vim indent file
 " Language: Javascript
 " Maintainer: Chris Paul ( https://github.com/bounceme )
@@ -476,4 +477,5 @@ endfunction
 
 let &cpo = s:cpo_save
 unlet s:cpo_save
+
 endif