Avoid warning in lp_ajax_save_item when object is not serialized

main/newscorm/lp_ajax_save_item.php

@@ -62,6 +62,9 @@ function save_item($lp_id, $user_id, $view_id, $item_id, $score = -1, $max = -1,
         $lpobject = new learnpathItem($lp_id, $user_id, $courseId);
     }
     if (isset($lpobject)) {
+        if (is_object($lpobject)) {
+            $mylp = $lpobject;
+        } else {
             $oLP = unserialize($lpobject);
             if ($debug) error_log("lpobject was set");
             if (!is_object($oLP)) {
@@ -73,6 +76,7 @@ function save_item($lp_id, $user_id, $view_id, $item_id, $score = -1, $max = -1,
                 $mylp = $oLP;
                 if ($debug) error_log("Loading learnpath from unserialize");
             }
+        }
     } else {
         if ($debug) {
             error_log("lpobject was not set");