message: Fix typo in isPreempting() method name.
diff: @@ -78,9 +78,9 @@ template <class ActionSpec> class RTTSimpleActionServer
  }
  /**
  - * Check, if active goal is being preemted.
  + * Check, if active goal is being preempted.
  */
  - bool isPreemting() const {
  + bool isPreempting() const {
  return goal_active.isValid() && goal_active.getGoalStatus().status == actionlib_msgs::GoalStatus::PREEMPTING;
  }
  