Updated runtime files.
diff --git a/runtime/optwin.vim b/runtime/optwin.vim
index 82f4838..362cd3d 100644
--- a/runtime/optwin.vim
+++ b/runtime/optwin.vim
@@ -1,7 +1,7 @@
 " These commands create the option window.
 "
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2016 Aug 21
+" Last Change:	2017 Jan 28
 
 " If there already is an option window, jump to that one.
 if bufwinnr("option-window") > 0