Improve guard so it works for no eof new line

syntax/textile.vim

@@ -1,4 +1,5 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'textile') == -1
+
 "
 "   You will have to restart vim for this to take effect.  In any case
 "   it is a good idea to read ":he new-filetype" so that you know what
@@ -90,4 +91,5 @@ if version >= 508 || !exists("did_txt_syn_inits")
 endif
 
 " vim: set ai et sw=4 :
+
 endif