Improve guard so it works for no eof new line

syntax/pug.vim

@@ -1,4 +1,5 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'pug') == -1
+
 " Vim syntax file
 " Language: Pug
 " Maintainer: Joshua Borton
@@ -112,4 +113,5 @@ let b:current_syntax = "pug"
 if main_syntax == "pug"
   unlet main_syntax
 endif
+
 endif