Fix new Sonar smells

Author: artembilan

spring-amqp/src/main/java/org/springframework/amqp/core/Queue.java

@@ -176,9 +176,9 @@ public final void setMasterLocator(@Nullable String locator) {
 	}
 
 	@Override
-	public Object clone() { // NOSONAR
-		Queue queue = new Queue(this.name, this.durable, this.exclusive, this.autoDelete,
-				new HashMap<>(this.arguments));
+	public Object clone() {
+		Queue queue = new Queue(this.name, this.durable, this.exclusive, // NOSONAR - doesn't need to call super.clone()
+				this.autoDelete, new HashMap<>(this.arguments));
 		queue.setActualName(this.actualName);
 		return queue;
 	}

spring-rabbit/src/main/java/org/springframework/amqp/rabbit/listener/SimpleMessageListenerContainer.java

@@ -217,14 +217,14 @@ public void setConcurrency(String concurrency) {
 		try {
 			int separatorIndex = concurrency.indexOf('-');
 			if (separatorIndex != -1) {
-				int consumers = Integer.parseInt(concurrency.substring(0, separatorIndex));
-				int maxConsumers = Integer.parseInt(concurrency.substring(separatorIndex + 1));
-				Assert.isTrue(maxConsumers >= consumers,
+				int consumersToSet = Integer.parseInt(concurrency.substring(0, separatorIndex));
+				int maxConsumersToSet = Integer.parseInt(concurrency.substring(separatorIndex + 1));
+				Assert.isTrue(maxConsumersToSet >= consumersToSet,
 						"'maxConcurrentConsumers' value must be at least 'concurrentConsumers'");
 				this.concurrentConsumers = 1;
 				this.maxConcurrentConsumers = null;
-				setConcurrentConsumers(consumers);
-				setMaxConcurrentConsumers(maxConsumers);
+				setConcurrentConsumers(consumersToSet);
+				setMaxConcurrentConsumers(maxConsumersToSet);
 			}
 			else {
 				setConcurrentConsumers(Integer.parseInt(concurrency));