PR #469 - Updating v5 Client with same conState change

Signed-off-by: James Sutton <james.sutton@uk.ibm.com>

Author: jpwsutton

org.eclipse.paho.mqttv5.client/src/main/java/org/eclipse/paho/mqttv5/client/internal/ClientComms.java

@@ -602,6 +602,7 @@ public void disconnectForcibly(long quiesceTimeout, long disconnectTimeout, int
 	 */
 	public void disconnectForcibly(long quiesceTimeout, long disconnectTimeout, boolean sendDisconnectPacket,
 			int reasonCode, MqttProperties disconnectProperties) throws MqttException {
+		conState = DISCONNECTING;
 		// Allow current inbound and outbound work to complete
 		if (clientState != null) {
 			clientState.quiesce(quiesceTimeout);