Fix schedular typo (#1481)

Author: ambersun1234

activemq-broker/src/main/java/org/apache/activemq/broker/scheduler/SchedulerBroker.java

@@ -240,10 +240,10 @@ public void send(ProducerBrokerExchange producerExchange, final Message messageS
         final Object delayValue = messageSend.getProperty(ScheduledMessage.AMQ_SCHEDULED_DELAY);
 
         String physicalName = messageSend.getDestination().getPhysicalName();
-        boolean schedularManage = physicalName.regionMatches(true, 0, ScheduledMessage.AMQ_SCHEDULER_MANAGEMENT_DESTINATION, 0,
+        boolean schedulerManage = physicalName.regionMatches(true, 0, ScheduledMessage.AMQ_SCHEDULER_MANAGEMENT_DESTINATION, 0,
             ScheduledMessage.AMQ_SCHEDULER_MANAGEMENT_DESTINATION.length());
 
-        if (schedularManage == true) {
+        if (schedulerManage == true) {
 
             JobScheduler scheduler = getInternalScheduler();
             ActiveMQDestination replyTo = messageSend.getReplyTo();