Remove parameters which are always null

xfa/fxfa/parser/xfa_script.h

Index: xfa/fxfa/parser/xfa_script.h
diff --git a/xfa/fxfa/parser/xfa_script.h b/xfa/fxfa/parser/xfa_script.h
index 04cc5b9a69b488df68ddfcbbcb4de21b9cdd6cbb..d6085411b3614a0c710293db9f86e1cc59a00fd0 100644
--- a/xfa/fxfa/parser/xfa_script.h
+++ b/xfa/fxfa/parser/xfa_script.h
@@ -45,7 +45,7 @@ class CXFA_HVALUEArray : public CFX_ArrayTemplate<FXJSE_HVALUE> {
   }
   void GetAttributeObject(CXFA_ObjArray& objArray) {
     for (int32_t i = 0; i < GetSize(); i++) {
-      CXFA_Object* pObject = (CXFA_Object*)FXJSE_Value_ToObject(GetAt(i), NULL);
+      CXFA_Object* pObject = (CXFA_Object*)FXJSE_Value_ToObject(GetAt(i));
       objArray.Add(pObject);
     }
   }