BuildBot: Add anchors for unbound aliases.

masters/master.chromium.perf.fyi/templates/build.html

 {% extends "layout.html" %}
 {% import 'forms.html' as forms %}
 {% from "change_macros.html" import change with context %}
 
 {% block content %}
 
 <h1>
 Builder <a href="{{ path_to_builder }}">{{ b.getBuilder().getName() }}</a>
 Build #{{ b.getNumber() }}
 </h1>
@@ skipping 128 matching lines @@
     <div class="{{ s.css_class }} result">
       <a href="{{ s.link }}">{{ s.name }}</a> 
       {% set previous_name = s.name %}
       {{ s.text }}&nbsp;<span style="float:right">{{ '( ' + s.time_to_run + ' )' if s.time_to_run else '' }}</span>
     </div>
 
     <ul>
       {% set item_class = cycler('alt', '') %}
       {% for l in s.logs %}
         <li class="{{ item_class.next() }}">
-          <a href="{{ l.link }}">{{ l.name }}</a>
+          {% if l.link %}
+            <a href="{{ l.link }}">{{ l.name }}</a>
+          {% else %}
+            <span>{{ l.name }}</span>
+          {% endif %}
           <a href="https://storage.cloud.google.com/chrome-build-logs-private/logs/{{
                    b.getProperty('mastername') }}/{{ b.getBuilder().getName()
                    }}/{{ '%.7d' % b.getNumber() }}/{{ s.name|replace('/', '_') }}.{{
                    l.name|replace('/', '_') }}"
              title="Raw log stored on Google Cloud Storage (available after up to 5 min after end of build)">cache</a>
 
           {% if s.aliases %}
             {% for a in s.aliases.get(l.name, ()) %}
               <a href="{{ a.url }}">[{{ a.text }}]</a>
             {% endfor %}
@@ skipping 91 matching lines @@
       {{ change(c.asDict()) }}
     </li>
   {% else %}
     <li>no changes</li>
   {% endfor %}  
   </ol>
 </div> 
 {% endif %}
 
 {% endblock %}