dynamixel_pan_tilt driver: Changed the indentation from tabs to spaces.

                           Solved a minor error on the destructor.

src/examples/test_dynamixel_pan_tilt.cpp

@@ -128,7 +128,7 @@ std::string config_saving_file = "../src/xml/saving_config.xml";
 
 int main(int argc, char *argv[])
 {
-	std::string serial="AI027ZIZ"; //extracted from with 'dmesg' command: "SerialNumber: AI027ZIZ"
+  std::string serial="AI027ZIZ"; //extracted from with 'dmesg' command: "SerialNumber: AI027ZIZ"
   int baudrate = 1000000;        //57600 or 1000000
   int pan_id = 13;            //extracted from dynamixel library's test_dynamixel_server_no_scan
   int tilt_id = 11;            //extracted from dynamixel library's test_dynamixel_server_no_scan
@@ -429,7 +429,7 @@ int main(int argc, char *argv[])
     }
     else
     {
-    	std::cout << "No buses!!! tip: sudo rmmod ftdi_sio" << std::endl;
+      std::cout << "No buses!!! tip: sudo rmmod ftdi_sio" << std::endl;
     }
   }
   catch(CException &e)