[Samba] [WIP][PATCH] 'fix' smbspool_krb5_wrapper, libexecdir and ctdb helper binary locations for 4.4

[Miguel Medalha]

> While adapting the "samba_backup" script that comes with the Samba 
> source for the new installation path, I stumbled across a limitation 
> in tar. It truncates the packaged paths to about 100 characters and as 
> such it cannot accommodate the contents of "sysvol". I found 
> discussions about this dating at least from 6 years ago and the 
> problem continues, at least in the platform I am using, CentOS 7.2. 
> Turning to star now. I already confirmed that it doesn't have this 
> limitation. Let's see if it preserves the extended attributes correctly

Star works nicely. With the options "star -c -bz H=pax" the extended 
attributes (e.g. security.NTACL) are correctly preserved and retrieved 
upon restore.