* lisp/emulation/viper.el: Unbreak it.

Since 2017-03-19, M-x viper failed with function void cl-member-if.
Perhaps it isn't used much.

diff --git a/lisp/emulation/viper.el b/lisp/emulation/viper.el
index 7292fd58c1fbf9ebcba680f506b71d3a58fa5943..13a88ad11fac3c350ba32445b1e0d9c633cdd472 100644 (file)
--- a/lisp/emulation/viper.el
+++ b/lisp/emulation/viper.el
@@ -300,6 +300,8 @@
 
 ;;; Code:
 
+(require 'cl-lib)
+
 ;; compiler pacifier
 (defvar mark-even-if-inactive)
 (defvar quail-mode)