Add post_submitbox_misc_actions action. Props mdawaffe

git-svn-id: https://develop.svn.wordpress.org/trunk@12000 602fd350-edb4-49c9-b593-d223f7449a82

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>