Fix leaked value object in NamedPropertySetterCallback()

fxjs/cfxjse_class.cpp

Index: fxjs/cfxjse_class.cpp
diff --git a/fxjs/cfxjse_class.cpp b/fxjs/cfxjse_class.cpp
index de22af7681798e933f06017f2524c04c184cca3f..6ccc0e2e240a7711af0432a46de39154eacf29af 100644
--- a/fxjs/cfxjse_class.cpp
+++ b/fxjs/cfxjse_class.cpp
@@ -289,9 +289,10 @@ void NamedPropertySetterCallback(
       new CFXJSE_Value(info.GetIsolate()));
   lpThisValue->ForceSetValue(thisObject);
 
-  CFXJSE_Value* lpNewValue = new CFXJSE_Value(info.GetIsolate());
+  std::unique_ptr<CFXJSE_Value> lpNewValue(new CFXJSE_Value(info.GetIsolate()));
   lpNewValue->ForceSetValue(value);
-  DynPropSetterAdapter(lpClass, lpThisValue.get(), szFxPropName, lpNewValue);
+  DynPropSetterAdapter(lpClass, lpThisValue.get(), szFxPropName,
+                       lpNewValue.get());
   info.GetReturnValue().Set(value);
 }