Support duo4kse.
[vuplus_openvuplus_3.0] / meta-openvuplus / recipes-extended / shadow /
drwxr-xr-x   ..
drwxr-xr-x - shadow-securetty
-rw-r--r-- 65 shadow-securetty_4.2.1.bbappend
-rw-r--r-- 123 shadow_4.%.bbappend