Commit 1155f0d7 changed `UnitsApi::getDecimals()` from `int` to
`size_t`, which changes the meaning of the negation since it is now
unsigned. Cast it to an integer before the negation to restore the old
behavior.
Commit 1155f0d7 changed `UnitsApi::getDecimals()` from `int` to
`size_t`, which changes the meaning of the negation since it is now
unsigned. Cast it to an integer before the negation to restore the old
behavior.