Solved an error in some examples when the XSD library was not installed on the system.

src/examples/test_dynamixel_motor_group.cpp

@@ -41,9 +41,13 @@ int main(int argc, char *argv[])
 
       group=new CDynamixelMotorGroup(group_name);
       name=group->add_motor_control(cont1);
+      #ifdef _HAVE_XSD
       group->config_motor_control(name,config_file);
+      #endif
       name=group->add_motor_control(cont2);
+      #ifdef _HAVE_XSD
       group->config_motor_control(name,config_file);
+      #endif
 
       group->get_position(pos);
       group->enable(enable);

src/examples/test_sequence.cpp

@@ -18,7 +18,9 @@ std::string cont_config_file="../src/xml/base_dyn_config.xml";
 int main(int argc, char * argv[])
 {
   try{
+#ifdef _HAVE_XSD
     CEventServer *event_server=CEventServer::instance();
+#endif
     std::list<std::string> events;
     CMotorGroup group(group_name);
     CMotionSequence sequence(seq_name);

src/examples/test_sequence_open_loop.cpp

@@ -18,7 +18,9 @@ std::string cont_config_file="../src/xml/base_dyn_config.xml";
 int main(int argc, char * argv[])
 {
   try{
+#ifdef _HAVE_XSD
     CEventServer *event_server=CEventServer::instance();
+#endif
     std::list<std::string> events;
     CDynamixelMotorGroup group(group_name);
     CMotionSequence sequence(seq_name);