Make clone-buffer not unbind global variable

* lisp/simple.el (clone-buffer): Make clone-buffer not globally
unset locally void variable (bug#38179).

Copyright-paperwork-exempt: yes

1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/simple.el b/lisp/simple.el
index 872fb13237a..e3ac7094088 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -8658,7 +8658,7 @@ after it has been set up properly in other respects."
       (mapc (lambda (v)
               (condition-case ()
                   (if (symbolp v)
-                      (makunbound v)
+                      (makunbound (make-local-variable v))
                     (set (make-local-variable (car v)) (cdr v)))
                 (setting-constant nil))) ;E.g. for enable-multibyte-characters.
             lvars)