Ticket #24365: 24365.diff

wp-admin/includes/upgrade.php

@@ -1427 +1427 @@
         if ( 'siteurl' == $setting || 'home' == $setting || 'category_base' == $setting || 'tag_base' == $setting )
                 $option = untrailingslashit( $option );
 
-        @ $kellogs = unserialize( $option );
+        @ $kellogs = maybe_unserialize( $option );
         if ( $kellogs !== false )
                 return $kellogs;
         else