initialize variables (mostly to silence valgrind)

Signed-off-by: Thilo Graf <dbt@novatux.de>


Origin commit data
------------------
Commit: f485bceff7
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2013-09-30 (Mon, 30 Sep 2013)

src/timerd/timermanager.cpp

@@ -63,6 +63,7 @@ void CTimerManager::Init(void)
 	m_isTimeSet = false;
 	timer_is_rec = false;
 	wakeup = 0;
+	shutdown_eventID = -1;
 	loadRecordingSafety();
 
 	//thread starten