Fixing thread exit.

src/xenia/base/threading_win.cc

@@ -357,11 +357,6 @@ class Win32Thread : public Win32Handle<Thread> {
     return true;
   }
 
-  void Exit(int exit_code) override {
-    AssertCallingThread();
-    ExitThread(exit_code);
-  }
-
   void Terminate(int exit_code) override {
     TerminateThread(handle_, exit_code);
   }
@@ -399,5 +394,7 @@ std::unique_ptr<Thread> Thread::Create(CreationParameters params,
   return std::make_unique<Win32Thread>(handle);
 }
 
+void Thread::Exit(int exit_code) { ExitThread(exit_code); }
+
 }  // namespace threading
 }  // namespace xe