Add post_submitbox_misc_actions action. Props mdawaffe

git-svn-id: http://svn.automattic.com/wordpress/trunk@12000 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/meta-boxes.php

@@ -175,6 +175,7 @@ if ( $can_publish ) : // Contributors don't get to choose the date of publish ?>
 </div><?php // /misc-pub-section ?>
 <?php endif; ?>
 
+<?php do_action('post_submitbox_misc_actions'); ?>
 </div>
 <div class="clear"></div>
 </div>