Add missing @Override annotation

artemis-core-client/src/main/java/org/apache/activemq/artemis/api/core/client/ClientRequestor.java

@@ -94,6 +94,7 @@ public final class ClientRequestor implements AutoCloseable {
     *
     * @throws Exception if an exception occurs while closing the ClientRequestor
     */
+   @Override
    public void close() throws Exception {
       replyConsumer.close();
       requestProducer.close();