- audioplayer: reset idle time to avoid screensaver ...

when returning from filebrowser

(cherry picked from commit d4f366c0dd9ab7f997a7c4f85948168ccf80f4ad)
Signed-off-by: Thilo Graf <dbt@novatux.de>

src/gui/audioplayer.cpp

@@ -1451,6 +1451,7 @@ bool CAudioPlayerGui::openFilebrowser(void)
 
 		result = true;
 	}
+	m_idletime = time(NULL);
 	CVFD::getInstance()->setMode(CVFD::MODE_AUDIO);
 	paintLCD();
 	// if playlist is turned off -> start playing immediately