Fix NPE

Signed-off-by: siri-varma <[email protected]>
Signed-off-by: sirivarma <[email protected]>

Author: siri-varma

examples/src/main/java/io/dapr/examples/workflows/childworkflow/DemoChildWorkerflowClient.java

@@ -30,7 +30,7 @@ public static void main(String[] args) {
       String instanceId = client.scheduleNewWorkflow(DemoWorkflow.class);
       System.out.printf("Started a new child-workflow model workflow with instance ID: %s%n", instanceId);
       WorkflowInstanceStatus workflowInstanceStatus =
-              client.waitForInstanceCompletion(instanceId, null, true);
+          client.waitForInstanceCompletion(instanceId, null, true);
 
       String result = workflowInstanceStatus.readOutputAs(String.class);
       System.out.printf("workflow instance with ID: %s completed with result: %s%n", instanceId, result);