Improve guard so it works for no eof new line

indent/applescript.vim

@@ -1,4 +1,5 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'applescript') == -1
+
 "Plugin Name: applescript indent file.
 "Author: mityu
 "Last Change: 02-May-2017.
@@ -76,4 +77,5 @@ let &cpo=s:cpo_save
 unlet s:cpo_save
 
 " vim: foldmethod=marker
+
 endif