message: Remove nullptr for pre C++11 compatibility and fix macro name.
diff: -#ifndef OROCOS_SIMPLE_ACTION_SERVER_HPP
  -#define OROCOS_SIMPLE_ACTION_SERVER_HPP
  +#ifndef RTT_SIMPLE_ACTION_SERVER_HPP
  +#define RTT_SIMPLE_ACTION_SERVER_HPP
  #include <stdexcept>
  #include <boost/bind.hpp>
  @@ -96,7 +96,8 @@ template <class ActionSpec> class RTTSimpleActionServer
  */
  boost::shared_ptr<const Goal> getActiveGoal() const {
  if (isActive()) return goal_active.getGoal();
  - else return nullptr;
  + else return boost::shared_ptr<const Goal>(); // return NULL
  + // else nullptr;
  }
  /**
  @@ -104,7 +105,8 @@ template <class ActionSpec> class RTTSimpleActionServer
  **/
  boost::shared_ptr<const Goal> getPendingGoal() const {
  if (isPending()) return goal_pending.getGoal();
  - else return nullptr;
  + else return boost::shared_ptr<const Goal>(); // return NULL
  + // else nullptr;
  }
  /**
  @@ -297,4 +299,4 @@ template <class ActionSpec> void RTTSimpleActionServer<ActionSpec>::cancelCallba
  } // namespace rtt_actionlib
  -#endif /*SIMPLE_ACTION_SERVER_HPP*/
  +#endif /*RTT_SIMPLE_ACTION_SERVER_HPP*/
  