fix favicons on public index

archivebox/templates/core/index_row.html

@@ -6,7 +6,7 @@
     </td>
     <td class="title-col" style="opacity: {% if link.title %}1{% else %}0.3{% endif %}" title="{{link.title|default:'Not yet archived...'}}">
         {% if link.is_archived %}
-            <a href="/archive/{{link.timestamp}}/index.html"><img src="archive/{{link.timestamp}}/favicon.ico" onerror="this.style.display='none'" class="link-favicon" decoding="async"></a>
+            <a href="/archive/{{link.timestamp}}/index.html"><img src="/archive/{{link.timestamp}}/favicon.ico" onerror="this.style.display='none'" class="link-favicon" decoding="async"></a>
         {% else %}
             <a href="/archive/{{link.timestamp}}/index.html"><img src="{% static 'spinner.gif' %}" onerror="this.style.display='none'" class="link-favicon" decoding="async" style="height: 15px"></a>
         {% endif %}