Fix sample code in javadoc of EnableKafkaStreams

Author: tbcs

spring-kafka/src/main/java/org/springframework/kafka/annotation/EnableKafkaStreams.java

@@ -35,7 +35,7 @@
  * @EnableKafkaStreams
  * public class AppConfig {
  *
- * 	@Bean(name = KStreamDefaultConfiguration.DEFAULT_STREAMS_CONFIG_BEAN_NAME)
+ * 	@Bean(name = KafkaStreamsDefaultConfiguration.DEFAULT_STREAMS_CONFIG_BEAN_NAME)
  *  public StreamsConfig kStreamsConfigs() {
  *     ...
  *  }