Improve guard so it works for no eof new line

autoload/julia.vim

@@ -1,4 +1,5 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'julia') == -1
+
 function! julia#set_syntax_version(jvers)
   if &filetype != "julia"
     echo "Not a Julia file"
@@ -183,4 +184,5 @@ function! julia#gotodefinition()
     return
 endfunction
 
+endif