improved javadoc

Author: Alexandru Scvortov

src/com/rabbitmq/client/QueueingConsumer.java

@@ -62,8 +62,8 @@
  * // Process deliveries
  * while (/* some condition * /) {
  *     {@link QueueingConsumer.Delivery} delivery = consumer.{@link QueueingConsumer#nextDelivery nextDelivery}();
+ *     // process delivery... and ack it
  *     ch1.{@link Channel#basicAck basicAck}(delivery.{@link QueueingConsumer.Delivery#getEnvelope getEnvelope}().{@link Envelope#getDeliveryTag getDeliveryTag}(), false);
- *     // process delivery
  * }
  * </pre>
  *