Fix link to security page on stable download page

Author: flashcode

weechat/templates/download/packages.html

@@ -63,7 +63,7 @@ <h4 class="my-0">
     </div>
     {% elif version != "devel" and version != "old" and package_version.grouper.security_issues_fixed > 0 %}
     <div class="alert alert-secondary">
-      {% url 'doc_security' as security_url %}
+      {% url 'doc_project_security' project as security_url %}
       {% blocktrans trimmed count counter=package_version.grouper.security_issues_fixed %}
       <strong>Note:</strong> this release fixes <a href="{{ security_url }}">{{ counter }} vulnerability</a>.
       {% plural %}