REST API bug fix: properly handle key->finalclass

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@2661 a333f486-631f-4898-b8df-5754b55c2be0

application/applicationextension.inc.php

@@ -834,9 +834,9 @@ class RestUtils
 	{
 		if (is_object($key))
 		{
-			if (isset($oCriteria->finalclass))
+			if (isset($key->finalclass))
 			{
-				$sClass = $oCriteria->finalclass;
+				$sClass = $key->finalclass;
 				if (!MetaModel::IsValidClass($sClass))
 				{
 					throw new Exception("finalclass: Unknown class '$sClass'");