sorry: rollback again eager (don't use STARPU_WORKER_TREE yet)

src/sched_policies/eager_central_policy.c

@@ -35,7 +35,7 @@ struct _starpu_eager_center_policy_data
 
 static void initialize_eager_center_policy(unsigned sched_ctx_id)
 {
-	starpu_sched_ctx_create_worker_collection(sched_ctx_id, STARPU_WORKER_TREE);
+	starpu_sched_ctx_create_worker_collection(sched_ctx_id, STARPU_WORKER_LIST);
 
 	struct _starpu_eager_center_policy_data *data = (struct _starpu_eager_center_policy_data*)malloc(sizeof(struct _starpu_eager_center_policy_data));