Snippets for unuran 1.12.0 from FreeBSD 150amd64

Sourced from https://pkg-status.freebsd.org/beefy23/data/latest-per-pkg/unuran/1.12.0/150amd64-default.log.

• hrd.c:612:7: warning: variable 'i' set but not used [-Wunused-but-set-variable]
    612 |   int i;
        |       ^