Fix test

Author: arnaud-lb

Zend/tests/partial_application/clone.phpt

@@ -26,25 +26,25 @@ var_dump($clone(new C(9, 10)));
 --EXPECTF--
 object(C)#%d (2) {
   ["a"]=>
-  NULL
+  int(1)
   ["b"]=>
-  NULL
+  int(2)
 }
 object(C)#%d (2) {
   ["a"]=>
-  NULL
+  int(3)
   ["b"]=>
-  NULL
+  int(4)
 }
 object(C)#%d (2) {
   ["a"]=>
-  int(1)
+  int(7)
   ["b"]=>
-  NULL
+  int(6)
 }
 object(C)#%d (2) {
   ["a"]=>
-  int(1)
+  int(8)
   ["b"]=>
-  NULL
+  int(10)
 }