More base-derived fixes

src/core/hle/kernel/hle_ipc.cpp

@@ -50,6 +50,7 @@ private:
 
     template <class Archive>
     void serialize(Archive& ar, const unsigned int) {
+        ar& boost::serialization::base_object<Kernel::WakeupCallback>(*this);
         ar& callback;
         ar& context;
     }