tdf#151608: Follow up comments

added comment about when the informListenerDestroyed method is called.

Which was requested to be done in the following change review: https://gerrit.libreoffice.org/c/core/+/141468

Change-Id: I34558a5c673ff0e392b91a620b9effc00a8b1376
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/142086
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
Tested-by: Mike Kaganski <mike.kaganski@collabora.com>
diff --git a/sd/source/ui/remotecontrol/Communicator.cxx b/sd/source/ui/remotecontrol/Communicator.cxx
index 59509ed..341051a 100644
--- a/sd/source/ui/remotecontrol/Communicator.cxx
+++ b/sd/source/ui/remotecontrol/Communicator.cxx
@@ -127,6 +127,9 @@ void Communicator::execute()

void Communicator::informListenerDestroyed()
{
    // called only from the Listener::disposing() method
    // during disposal of this communicator

    if ( pTransmitter )
        pTransmitter->addMessage( "slideshow_finished\n\n",
                                  Transmitter::PRIORITY_HIGH );