tempname: consume less entropy Derived from a glibc patch proposed by Adhemerval Zanella in: https://sourceware.org/pipermail/libc-alpha/2021-January/121302.html * lib/tempname.c: Include stdbool.h. (random_bits): New arg use_getrandom. (try_tempname_len): Skip getrandom on the first try, unless __GT_NOCREATE. * modules/tempname (Depends-on): Add stdbool.