minor update to store a ros::NodeHandle.

Author: finger563

src/rosmod_actor/include/rosmod_actor/component.hpp

@@ -54,6 +54,7 @@ class Component {
   virtual void process_queue();
 
 protected:
+  ros::NodeHandle          nh_;         /*!< NodeHandle */
   Json::Value              config;      /*!< Component Configuration */
   ros::Timer               init_timer;  /*!< Initialization timer */
   ros::CallbackQueue       comp_queue;  /*!< Component Message Queue */

src/rosmod_actor/src/rosmod_actor/component.cpp

@@ -32,7 +32,6 @@ Component::~Component() {
 
 // Component Operation Queue Handler
 void Component::process_queue() {  
-  ros::NodeHandle nh;
-  while (nh.ok())
+  while (nh_.ok())
     this->comp_queue.callAvailable(ros::WallDuration(0.01));
 }