fix lint issue

api/src/main/java/org/apache/cloudstack/api/command/user/dns/ListDnsRecordsCmd.java

@@ -51,4 +51,4 @@ public class ListDnsRecordsCmd extends BaseListCmd {
         response.setResponseName(getCommandName());
         setResponseObject(response);
     }
-}
+}

plugins/dns/powerdns/src/test/java/org/apache/cloudstack/dns/powerdns/PowerDnsClientTest.java

@@ -80,5 +80,4 @@ public class PowerDnsClientTest {
         result = client.normalizeRecordName("www", "example.com.");
         assertEquals("www.example.com.", result);
     }
-
-}
+}

server/src/main/resources/META-INF/cloudstack/core/spring-event-bus-context.xml

@@ -32,4 +32,4 @@
         <property name="name" value="eventNotificationBus"/>
     </bean>
 
-</beans>
+</beans>