Update runtime files

runtime/ftplugin/expect.vim

@@ -0,0 +1,24 @@
+" Vim filetype plugin file
+" Language:	Expect
+" Maintainer:	Doug Kearns <dougkearns@gmail.com>
+" Last Change:	2022 Jul 16
+
+if exists("b:did_ftplugin")
+  finish
+endif
+
+" Syntax is similar to Tcl
+runtime! ftplugin/tcl.vim
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
+  let b:browsefilter = "Expect Command Files (*.exp)\t*.exp\n" ..
+	\	       "All Files (*.*)\t*.*\n"
+endif
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: nowrap sw=2 sts=2 ts=8