Improve guard so it works for no eof new line

syntax/sxhkdrc.vim

@@ -1,4 +1,5 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'sxhkd') == -1
+
 if exists("b:current_syntax")
     finish
 endif
@@ -25,4 +26,5 @@ hi def link sxHotkeySep Delimiter
 hi def link sxSequenceSep Delimiter
 
 let b:current_syntax = "sxhkdrc"
+
 endif