Use a wrong variable in univ2.js

[drinkthere]

In ./src/univ2.js line 82, 'if (newReserveB.lt(0) || reserveB.gt(reserveB)) {'

I think it should be 'if (newReserveB.lt(0) || newReserveB.gt(reserveB)) {'

[usamagujjar1122]

I agree!

Because reserveB.gt(reserveB) is always false