FIX: Avatar was missing in mobile latest, take 2

FIX: Avatar was missing in mobile latest, take 2

diff --git a/mobile/header.html b/mobile/header.html
index 5156ab2..96ce52a 100644
--- a/mobile/header.html
+++ b/mobile/header.html
@@ -1,6 +1,6 @@
 <script type='text/x-handlebars' data-template-name='mobile/list/topic-list-item.raw'>
   {{~#unless expandPinned}}
-  <a href="{{topic.lastPostUrl}}">{{avatar topic.lastPoster imageSize="large"}}</a>
+  <a href="{{topic.lastPostUrl}}" data-user-card="{{topic.last_poster_username}}">{{avatar topic.lastPosterUser imageSize="large"}}</a>
   {{/unless~}}
   <div class='main-link'>
     <div class="link-top-line">

GitHub sha: 920bb7f0bec792db27ccd501206c204c89d0c5af