Merge pull request #1452 from owncloud/fix-breadcrumb

Remove undefined crumb variable from home breadcrumb

apps/files/templates/part.breadcrumb.php

 <?php if(count($_["breadcrumb"])):?>
 	<div class="crumb">
-		<a href="<?php echo $_['baseURL'].urlencode($crumb['dir']); ?>">
+		<a href="<?php echo $_['baseURL']; ?>">
 			<img src="<?php echo OCP\image_path('core','places/home.svg');?>" />
 		</a>
 	</div>