[Bugfix] Resetting video rectangle on last client disconnect.

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2755 3789f03b-4d11-0410-bbf8-ca57d06f2519

common/rfb/VNCServerST.cxx

@@ -147,6 +147,7 @@ void VNCServerST::removeSocket(network::Socket* sock) {
         slog.debug("no authenticated clients - stopping desktop");
         desktopStarted = false;
         desktop->stop();
+        setVideoRectangle(Rect(0, 0, 0, 0));
       }
       return;
     }