config/files: link config diff

application/views/scripts/config/files.phtml

@@ -24,6 +24,11 @@
     'director/show/activitylog',
     array('checksum' => $this->config->getLastActivityHexChecksum()),
     array('class' => 'icon-clock', 'data-base-target' => '_next')
+  ) ?><br /><?= $this->qlink(
+    $this->translate('Diff with other config'),
+    'director/config/diff',
+    array('left' => $this->config->getHexChecksum()),
+    array('class' => 'icon-flapping', 'data-base-target' => '_self')
   ) ?></td>
  </tr>
  <tr>