Fix Wvarargs warning in XFA error code.

xfa/fxfa/fm2js/xfa_lexer.cpp

Index: xfa/fxfa/fm2js/xfa_lexer.cpp
diff --git a/xfa/fxfa/fm2js/xfa_lexer.cpp b/xfa/fxfa/fm2js/xfa_lexer.cpp
index dd3b48ff54f509b67a5f2fe0cd88e58e9621e7ab..18ede28a2f4bc0d0fdf4a9750019c792d86d4bcc 100644
--- a/xfa/fxfa/fm2js/xfa_lexer.cpp
+++ b/xfa/fxfa/fm2js/xfa_lexer.cpp
@@ -532,12 +532,11 @@ XFA_FM_TOKEN CXFA_FMLexer::IsKeyword(const CFX_WideStringC& str) {
   return TOKidentifier;
 }
 
-void CXFA_FMLexer::Error(XFA_FM_ERRMSG msg, ...) {
+void CXFA_FMLexer::Error(const FX_WCHAR* msg, ...) {
   m_pErrorInfo->linenum = m_uCurrentLine;
-  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);
 }