Fixing issue with daggyd config parsing

libdaggy/src/executors/task/DaggyRunnerTaskExecutor.cpp

@@ -88,6 +88,7 @@ DaggyRunnerTaskExecutor::~DaggyRunnerTaskExecutor()
 {
   running_ = false;
   monitorWorker_.join();
+  dispatchWorker_.join();
 }
 
 std::string DaggyRunnerTaskExecutor::description() const