corrected the URL back to the homepage.

plugins/mobile/views/mobile/page_elements/header_contents.php

@@ -19,7 +19,7 @@
 <div id="wrapper_header">
 
 	<!-- site name -->
-	<div id="logo"><a href="/pg/dashboard/"><img src="<?php echo $vars['url']; ?>_graphics/elgg_toolbar_logo.gif" /></a></div>
+	<div id="logo"><a href="<?php echo $vars['url']; ?>/pg/dashboard/"><img src="<?php echo $vars['url']; ?>_graphics/elgg_toolbar_logo.gif" /></a></div>
 <div class="navigation"><?php require("elgg_topbar.php");?></div>
 	
 </div><!-- /#wrapper_header -->