Added missing dependency.

framework/src/Volo.Abp.EventBus.Boxes/Volo/Abp/EventBus/Boxes/AbpEventBusBoxesModule.cs

@@ -1,11 +1,13 @@
 using Volo.Abp.BackgroundWorkers;
+using Volo.Abp.DistributedLocking;
 using Volo.Abp.Modularity;
 
 namespace Volo.Abp.EventBus.Boxes
 {
     [DependsOn(
         typeof(AbpEventBusModule),
-        typeof(AbpBackgroundWorkersModule)
+        typeof(AbpBackgroundWorkersModule),
+        typeof(AbpDistributedLockingModule)
         )]
     public class AbpEventBusBoxesModule : AbpModule
     {