(set-viper-state-in-major-mode): Use `mapc' rather than `mapcar'.

diff --git a/lisp/emulation/viper.el b/lisp/emulation/viper.el
index ff3217ac144e4e9de97e7540002b10f7c2d66814..c01182501675c638b9d177e1ee510d0c782bf80a 100644 (file)
--- a/lisp/emulation/viper.el
+++ b/lisp/emulation/viper.el
@@ -799,7 +799,7 @@ It also can't undo some Viper settings."
 
 ;; set appropriate Viper state in buffers that changed major mode
 (defun set-viper-state-in-major-mode ()
-  (mapcar
+  (mapc
    (lambda (buf)
      (if (viper-buffer-live-p buf)
         (with-current-buffer buf