Fix Wvarargs warning in XFA error code.

xfa/fxfa/fm2js/xfa_fmparse.cpp

Index: xfa/fxfa/fm2js/xfa_fmparse.cpp
diff --git a/xfa/fxfa/fm2js/xfa_fmparse.cpp b/xfa/fxfa/fm2js/xfa_fmparse.cpp
index c99f015fca8ce5f9593ed3cd20bc1abbf1313424..20b1044364284d59e5858f4b5c816683ed6b5a43 100644
--- a/xfa/fxfa/fm2js/xfa_fmparse.cpp
+++ b/xfa/fxfa/fm2js/xfa_fmparse.cpp
@@ -36,12 +36,11 @@ void CXFA_FMParse::Check(XFA_FM_TOKEN op) {
   NextToken();
 }
 
-void CXFA_FMParse::Error(uint32_t lineNum, XFA_FM_ERRMSG msg, ...) {
+void CXFA_FMParse::Error(uint32_t lineNum, const FX_WCHAR* msg, ...) {
   m_pErrorInfo->linenum = lineNum;
-  const FX_WCHAR* lpMessageInfo = XFA_FM_ErrorMsg(msg);
   va_list ap;
   va_start(ap, msg);
-  m_pErrorInfo->message.FormatV(lpMessageInfo, ap);
+  m_pErrorInfo->message.FormatV(msg, ap);
   va_end(ap);
 }