Improve guard so it works for no eof new line

ftplugin/objc.vim

@@ -1,8 +1,10 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'objc') == -1
+
 " Use C++ style comment strings with commentary.vim
 setl commentstring=//%s
 
 " Search for include files inside frameworks (used for gf etc.)
 setl includeexpr=substitute(v:fname,'\\([^/]\\+\\)/\\(.\\+\\)','/System/Library/Frameworks/\\1.framework/Headers/\\2','')
 
+
 endif