updated Jamfile build system for reorganized files/folders

src/BulletMultiThreaded/PosixThreadSupport.h

@@ -111,6 +111,10 @@ public:
 ///tell the task scheduler we are done with the SPU tasks
 	virtual	void stopSPU();
 
+	virtual void setNumTasks(int numTasks)
+	{
+	}
+
 };
 
 #endif // POSIX_THREAD_SUPPORT_H