Improve guard so it works for no eof new line

syntax/i3config.vim

@@ -1,4 +1,5 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'i3') == -1
+
 " Vim syntax file
 " Language: i3 config file
 " Maintainer: Mohamed Boughaba <mohamed dot bgb at gmail dot com>
@@ -249,4 +250,5 @@ hi! def link i3ConfigVariable                        Statement
 hi! def link i3ConfigArbitraryCommand                Type
 
 let b:current_syntax = "i3config"
+
 endif