Remove implicit cast from CFX_WideString to (const wchar_t*)

fpdfsdk/javascript/util.cpp

Index: fpdfsdk/javascript/util.cpp
diff --git a/fpdfsdk/javascript/util.cpp b/fpdfsdk/javascript/util.cpp
index adaa9c794b600108b03d7be6569febffca13d03c..4f2d834208f11d1a19003cc9ef83ca7a248b4110 100644
--- a/fpdfsdk/javascript/util.cpp
+++ b/fpdfsdk/javascript/util.cpp
@@ -312,7 +312,8 @@ FX_BOOL util::printx(IJS_Context* cc,
     sError = JSGetStringFromID((CJS_Context*)cc, IDS_STRING_JSPARAMERROR);
     return FALSE;
   }
-  vRet = printx(params[0].ToCFXWideString(), params[1].ToCFXWideString());
+  vRet =
+      printx(params[0].ToCFXWideString(), params[1].ToCFXWideString()).c_str();
   return TRUE;
 }