Fixed #25104 -- Added httpd.conf hyperlink to modwsgi doc.

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Once you've got mod_wsgi installed and activated, edit your Apache server's

``httpd.conf`` file and add the following. If you are using a version of Apache

older than 2.4, replace ``Require all granted`` with ``Allow from all`` and

also add the line ``Order deny,allow`` above it.

`httpd.conf`_ file (or a `virtual host`_ file) and add the following. If you

are using a version of Apache older than 2.4, replace ``Require all granted``

with ``Allow from all`` and also add the line ``Order deny,allow`` above it.

.. _httpd.conf: https://wiki.apache.org/httpd/DistrosDefaultLayout

.. _virtual host: https://httpd.apache.org/docs/current/en/vhosts/

.. code-block:: apache