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