[DQ_FreeFlyingRobot_py.cpp] Updated the header

Author: juanjqo

src/robot_modeling/DQ_FreeFlyingRobot_py.cpp

@@ -22,7 +22,7 @@ This file is part of DQ Robotics.
        https://github.com/dqrobotics/matlab/pull/66/commits
 
     2. Juan Jose Quiroz Omana   ([email protected])
-       Created this file.
+       Created this file based on DQ_HolonomicBase_py.cpp
 */
 
 #include "../dqrobotics_module.h"