Fixed action server crashing when aborting

mg_navigation/src/mg_move_server.cpp

@@ -196,6 +196,7 @@ private:
                 x->error = MoveAction::Result::MISALIGNED;
                 is_processing_goal_ = false;
                 goal_handle->abort(x);
+                return;
             }
 
             double best_score = -INFINITY;