will show error messages before aborting.
Patch supplied by Jim Bernard <jbernard@ox.mines.edu> in PR 6010, cleanup()
in delete/perform.c prepared to be used as signal handler by me.
Un-munge pkg_install/lib/Makefile which I'd overwritten on libftpio commit.
Make it compile on NetBSD.
Install pkg_* programs in /usr/sbin
XXX agc - Still to do XXX
Cleanup call to mktemp (for a tmp dir) in pkg_install/lib/pen.c
Create ftperr.c in the correct directory.