[Samba] Pam_mount not working with "sec=krb5"

[Ole Traupe]

>>
>> One other thing, you need a recent version of cifs utils (we don't 
>> think Centos has) 
> Mine is cifs-utils.x86_64    4.8.1-20.el6
>

Ok, I at least need 5.3.

https://wiki.samba.org/index.php/LinuxCIFS_utils