Change CXFA_Node::GetClassName to return

xfa/fxfa/parser/xfa_document_serialize.cpp

Index: xfa/fxfa/parser/xfa_document_serialize.cpp
diff --git a/xfa/fxfa/parser/xfa_document_serialize.cpp b/xfa/fxfa/parser/xfa_document_serialize.cpp
index 52aa58530e5b1b0f4a462ab0c000c55ff307d1e1..febfa3e827269435b60f22364d557d12de917f1b 100644
--- a/xfa/fxfa/parser/xfa_document_serialize.cpp
+++ b/xfa/fxfa/parser/xfa_document_serialize.cpp
@@ -347,8 +347,7 @@ static void XFA_DataExporter_RegenerateFormFile_Changed(
   }
   if (!wsChildren.IsEmpty() || !wsAttrs.IsEmpty() ||
       pNode->HasAttribute(XFA_ATTRIBUTE_Name)) {
-    CFX_WideStringC wsElement;
-    pNode->GetClassName(wsElement);
+    CFX_WideStringC wsElement = pNode->GetClassName();
     CFX_WideString wsName;
     XFA_SaveAttribute(pNode, XFA_ATTRIBUTE_Name, FX_WSTRC(L"name"), TRUE,
                       wsName);
@@ -382,8 +381,7 @@ static void XFA_DataExporter_RegenerateFormFile_Container(
     }
     return;
   }
-  CFX_WideStringC wsElement;
-  pNode->GetClassName(wsElement);
+  CFX_WideStringC wsElement = pNode->GetClassName();
   pStream->WriteString(L"<", 1);
   pStream->WriteString(wsElement.c_str(), wsElement.GetLength());
   CFX_WideString wsOutput;