Added the check of the stop_flag in the dynamixel manager main loop.

dynamixel_manager/src/dyn_manager.c

@@ -1253,7 +1253,7 @@ void dyn_manager_loop(TDynManager *manager)
                        break;
       }
     }
-  }while(loop_done>0);
+  }while(loop_done>0 && manager->stop_flag==0x00);
 
   // execute the pre_process functions for all modules
   for(i=0;i<manager->num_modules;i++)