Improve guard so it works for no eof new line

ftplugin/julia.vim

@@ -1,4 +1,5 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'julia') == -1
+
 " Vim filetype plugin file
 " Language:	Julia
 " Maintainer:	Carlo Baldassi <carlobaldassi@gmail.com>
@@ -106,4 +107,5 @@ let b:undo_ftplugin .= " | delcommand JuliaDoc | delcommand JuliaDocKeywordprg"
 
 let &cpo = s:save_cpo
 unlet s:save_cpo
+
 endif