So, FreeBSD had a security patch (or two) a while back involving fts_read.
Basically, the bug involved moving a directory *while* fts was traversing
it, and could result in things like "rm -r" hopping *out* of the directories
they were started in!

So... There's nothing in our fts.c (or __fts13.c) that looks similar to the
FreeBSD patch.

Not applicable?  Already fixed?  Not worth worrying about?

-s