Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1
This does not ring a bell with me. Presumably the "# define __random_r
random_r" business in lib/random_r.c and lib/stdlib.in.h also need to be
done for random and srandom in lib/random.c and lib/stdlib.in.h?