Improve guard so it works for no eof new line

syntax/ls.vim

@@ -1,4 +1,5 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'livescript') == -1
+
 " Language:    LiveScript "
 " Maintainer:  George Zahariev
 " URL:         http://github.com/gkz/vim-ls
@@ -135,4 +136,5 @@ highlight default link lsSpaceError Error
 if !exists('b:current_syntax')
   let b:current_syntax = 'livescript'
 endif
+
 endif