Add missing header

git-svn-id: http://svn.code.sf.net/p/simox/code/trunk@674 042f3d55-54a8-47e9-b7fb-15903f145c44

SimDynamics/DynamicsEngine/BulletEngine/BulletRobotLogger.h

@@ -2,6 +2,7 @@
 #define __BULLET_LOGGER_H__
 
 #include <Eigen/Dense>
+#include <VirtualRobot/RobotNodeSet.h>
 
 #include "BulletEngine.h"
 #include "BulletRobot.h"