tdf#93404: Forgot to launch WakeUpThread

...in 017f2507 "Ensure WakeUpThread is joined
before exit"

Change-Id: Iaa5a5772f099b11229bd40c3cc10d863ef0ad5b3

framework/source/helper/statusindicatorfactory.cxx

@@ -544,6 +544,7 @@ void StatusIndicatorFactory::impl_startWakeUpThread()
     if (!m_pWakeUp.is())
     {
         m_pWakeUp = new WakeUpThread(this);
+        m_pWakeUp->launch();
     }
 }