Backport commit 5172fa02c from Emacs

Prefer HTTPS to HTTP for gnu.org
5172fa02cccaab2500ecf85aaf65b8deed54d42e
Paul Eggert
Sun Oct 1 19:59:01 2017 -0700

etc/ORG-NEWS

@@ -1992,7 +1992,7 @@ This enables SVG generation from latex code blocks.
 
 *** New option: [[doc:org-habit-show-done-always-green][org-habit-show-done-always-green]]
 
-See [[http://lists.gnu.org/archive/html/emacs-orgmode/2013-05/msg00214.html][this message]] from Max Mikhanosha.
+See [[https://lists.gnu.org/archive/html/emacs-orgmode/2013-05/msg00214.html][this message]] from Max Mikhanosha.
 
 *** New option: [[doc:org-babel-inline-result-wrap][org-babel-inline-result-wrap]]