webui: port listing table fixed

one/templates/show.html

@@ -147,7 +147,7 @@
                     <tr>
                     <tr>
                         <th>Protokoll</th>
                         <th>Protokoll</th>
                         <th>Külső port</th>
                         <th>Külső port</th>
-                        <th>Belső port</th>
+                        <th colspan="2">Belső port</th>
                     </tr>
                     </tr>
                     {% for port in ports %}
                     {% for port in ports %}
                     <tr>
                     <tr>