Arduino: 1.8.5 (Linux), Board: "Arduino/Genuino Uno"

MySprinkler:174: error: 'POSITIVE' was not declared in this scope
LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE); // Set the LCD I2C address to 0x27
^
exit status 1
'POSITIVE' was not declared in this scope

I can't find POSITIVE anywhere in the LiquidCrystal_IC2 libary. Is the sketch on https://www.mysensors.org/build/irrigation up to date, or am I missing something else?