Changed the macro used to create new plugins.

Used the nodelet_spin() function in the nodelet.

src/iri_average_point_cloud_alg_node.cpp

@@ -151,10 +151,10 @@ void *AveragePointCloudAlgNodelet::spin_thread(void *param)
 {
   AveragePointCloudAlgNodelet *nodelet=(AveragePointCloudAlgNodelet *)param;
 
-  nodelet->node->spin();
+  nodelet->node->nodelet_spin();
 
   pthread_exit(NULL);
 }
 
 // parameters are: package, class name, class type, base class type
-PLUGINLIB_DECLARE_CLASS(iri_average_point_cloud, AveragePointCloudAlgNodelet, AveragePointCloudAlgNodelet, nodelet::Nodelet);
+PLUGINLIB_EXPORT_CLASS(AveragePointCloudAlgNodelet, nodelet::Nodelet);