BFS btreeTest: fixed DEBUG build.

src/tests/add-ons/kernel/file_systems/bfs/btree/stubs.cpp

@@ -1,4 +1,11 @@
-#include "fs_interface.h"
+/*
+ * Copyright 2014-2015, Haiku, Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include <fs_interface.h>
+#include <kscheduler.h>
 
 
 status_t
@@ -13,3 +20,18 @@ put_vnode(fs_volume* volume, ino_t vnodeID)
 {
 	return B_OK;
 }
+
+
+// #pragma mark -
+
+
+void
+scheduler_enqueue_in_run_queue(Thread* thread)
+{
+}
+
+
+void
+scheduler_reschedule(int32 next_state)
+{
+}