[ISSUE apache#2729] Replace with Math.min method call

Author: drgnchan

broker/src/main/java/org/apache/rocketmq/broker/topic/TopicConfigManager.java

@@ -176,9 +176,7 @@ public TopicConfig createTopicInSendMessageMethod(final String topic, final Stri
                         if (PermName.isInherited(defaultTopicConfig.getPerm())) {
                             topicConfig = new TopicConfig(topic);
 
-                            int queueNums =
-                                clientDefaultTopicQueueNums > defaultTopicConfig.getWriteQueueNums() ? defaultTopicConfig
-                                    .getWriteQueueNums() : clientDefaultTopicQueueNums;
+                            int queueNums = Math.min(clientDefaultTopicQueueNums, defaultTopicConfig.getWriteQueueNums());
 
                             if (queueNums < 0) {
                                 queueNums = 0;