fix warning about comparison of unsigned < 0 is always false (#97)
fix warning about comparison of unsigned < 0 is always false (#97)


rsdevgun16e/energi,rsdevgun16e/energi,rsdevgun16e/energi,RyanLucchese/energi,RyanLucchese/energi,RyanLucchese/energi,rsdevgun16e/energi,RyanLucchese/energi,RyanLucchese/energi,RyanLucchese/energi,rsdevgun16e/energi,rsdevgun16e/energi