FIX: link to archives with icons was't work.

Issue #1836.

Author: ivan-nginx

layout/_macro/sidebar.swig

@@ -43,7 +43,7 @@
           {% if config.archive_dir != '/' and site.posts.length > 0 %}
             <div class="site-state-item site-state-posts">
             {% if theme.menu.archives %}
-              <a href="{{ url_for(theme.menu.archives) }}">
+              <a href="{{ url_for(theme.menu.archives).split('||')[0] | trim }}">
             {% else %}
               <a href="{{ url_for(config.archive_dir) }}">
             {% endif %}