<p>Can't rely on checking location.pathname -- inside unload, it already contains<br>
the new path. Fortunately, checking is unnecessary.</p>

<p>Fixes TypeError: Cannot call method 'split' of undefined.</p>

<hr>

<h4>You can merge this Pull Request by running</h4>
<pre>  git pull https://github.com/jfirebaugh/openstreetmap-website history-fix</pre>
<p>Or view, comment on, or merge it at:</p>
<p>  <a href='https://github.com/openstreetmap/openstreetmap-website/pull/614'>https://github.com/openstreetmap/openstreetmap-website/pull/614</a></p>

<h4>Commit Summary</h4>
<ul>
  <li>Unconditionally unbind moveend event</li>
</ul>

<h4>File Changes</h4>
<ul>
  <li>
    <strong>M</strong>
    <a href="https://github.com/openstreetmap/openstreetmap-website/pull/614/files#diff-0">app/assets/javascripts/index/history.js</a>
    (5)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/openstreetmap/openstreetmap-website/pull/614.patch'>https://github.com/openstreetmap/openstreetmap-website/pull/614.patch</a></li>
  <li><a href='https://github.com/openstreetmap/openstreetmap-website/pull/614.diff'>https://github.com/openstreetmap/openstreetmap-website/pull/614.diff</a></li>
</ul>