master f9685f9: * lisp/emacs-lisp/package.el (package-activate-1): Avoid duplicates

[Stefan Monnier]

branch: master
commit f9685f984774f5cbe61c7fd0fc6e6935afe92743
Author: Stefan Monnier <address@hidden>
Commit: Stefan Monnier <address@hidden>

    * lisp/emacs-lisp/package.el (package-activate-1): Avoid duplicates
    
    in `Info-directory-list`.
---
 lisp/emacs-lisp/package.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/emacs-lisp/package.el b/lisp/emacs-lisp/package.el
index bce17a0..07d63b3 100644
--- a/lisp/emacs-lisp/package.el
+++ b/lisp/emacs-lisp/package.el
@@ -798,7 +798,7 @@ correspond to previously loaded files (those returned by
         ;; FIXME: not the friendliest, but simple.
         (require 'info)
         (info-initialize)
-        (push pkg-dir Info-directory-list))
+        (add-to-list 'Info-directory-list pkg-dir))
       (push name package-activated-list)
       ;; Don't return nil.
       t)))