Make /etc/dbus-1/system.d directory non-%ghost
koschei builds are failing on systemd.rpm:
DEBUG util.py:421: error: unpacking of archive failed on file
/etc/dbus-1/system.d/org.freedesktop.hostname1.conf;581cb002: cpio: open
DEBUG util.py:421: error: systemd-232-2.fc26.x86_64: install failed