By passing a NUL-separated filelist, this also fixes a bug where files
that look like bsdtar options in the package root could break the
package ("-C" was particularly troublesome because bsdtar interprets it
as an option anywhere in the file list, even following "--").
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>