FWIW, the current dev version of data.table 1.17.99 can read this file perfectly.
dt = fread("https://gist.githubusercontent.com/b-rodrigues/4218d6daa8275acce80ebef6377953fe/raw/99bb5bc547670f38569c2990d2acada65bb744b3/nace_rev2.csv")
dim(dt)
#> 996 10