Fixed link in version warning

Author: squidfunk

overrides/main.html

@@ -2,7 +2,7 @@
 
 {% block outdated %}
   You're not viewing the latest version.
-  <a href="{{ config.site_url | url }}">
+  <a href="{{ '../' ~ base_url }}">
     <strong>Click here to go to latest.</strong>
   </a>
-{% endblock %}
+{% endblock %}