Improve guard so it works for no eof new line

syntax/csv.vim

@@ -1,4 +1,5 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'csv') == -1
+
 " A simple syntax highlighting, simply alternate colors between two
 " adjacent columns
 " Init {{{2
@@ -168,4 +169,5 @@ let b:current_syntax="csv"
 let &cpo = s:cpo_save
 unlet s:cpo_save
 " vim: set foldmethod=marker et sw=0 sts=-1 ts=4:
+
 endif