service_thread: fix uninitialized memory usage

src/core/hle/kernel/service_thread.cpp

@@ -36,14 +36,14 @@ public:
 
 private:
     KernelCore& kernel;
-
-    std::jthread m_host_thread;
-    std::mutex m_session_mutex;
-    std::map<KServerSession*, std::shared_ptr<SessionRequestManager>> m_sessions;
-    KEvent* m_wakeup_event;
-    KThread* m_thread;
-    std::atomic<bool> m_shutdown_requested;
     const std::string m_service_name;
+
+    std::jthread m_host_thread{};
+    std::mutex m_session_mutex{};
+    std::map<KServerSession*, std::shared_ptr<SessionRequestManager>> m_sessions{};
+    KEvent* m_wakeup_event{};
+    KThread* m_thread{};
+    std::atomic<bool> m_shutdown_requested{};
 };
 
 void ServiceThread::Impl::WaitAndProcessImpl() {