fb:admins fix

Author: ronv

eu-kirby-social-metatags.php

@@ -175,7 +175,7 @@ function shorten($string,$length=155,$append="…") {
 <?php if($facebook_author): ?><meta property="article:author" content="<?php echo $facebook_author ?>" />
 <?php endif ?>
 <?php if($facebook_admin): ?>
-<meta property="fb:admins" content="facebook_admin" />
+<meta property="fb:admins" content="<?php echo $facebook_admin ?>" />
 <?php endif ?>
 
 <!-- Twitter Card Data -->