BuildBot: Add anchors for unbound aliases.

masters/master.tryserver.blink/templates/build.html

Index: masters/master.tryserver.blink/templates/build.html
diff --git a/masters/master.tryserver.blink/templates/build.html b/masters/master.tryserver.blink/templates/build.html
index c7fb0719b6378205918cd8dcff6bdeffecc2947d..569b021406b1d385531a6c299ef8fb4a6eeffc4a 100644
--- a/masters/master.tryserver.blink/templates/build.html
+++ b/masters/master.tryserver.blink/templates/build.html
@@ -134,7 +134,11 @@ Build #{{ b.getNumber() }}
       {% 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 %}
           {% if s.aliases %}
             {% for a in s.aliases.get(l.name, ()) %}
               <a href="{{ a.url }}">[{{ a.text }}]</a>