Merge pull request #686 from Arantor/release-2.1

! Oops forgot to add a global.

Themes/default/Admin.template.php

@@ -12,7 +12,7 @@
 
 function template_maint_warning_above()
 {
-	global $txt, $context;
+	global $txt, $context, $scripturl;
 
 	echo '
 	<div class="errorbox" id="errors">