cifs-utils: Update to 6.12

cifs-utils: Update to 6.12

- Update cifs-utils from 5.9 to 6.12
- Changelog - URL for each change gives more details of changes
	December, 2020: Release 6.12
	    get/setcifsacl tools are improved to support changing owner, group and SACLs
	    mount.cifs is enhanced to use SUDO_UID env variable for cruid
	    smbinfo is re-written in Python language
	    https://lists.samba.org/archive/samba-technical/2020-December/136156.html
	September, 2020: Release 6.11
	    CVE-2020-14342: mount.cifs: fix shell command injection
	    https://lists.samba.org/archive/samba-technical/2020-September/135747.html
	December 16, 2019: Release 6.10
	    smb3 alias/fstype is added
	    smb2-quota tool is added to display quota information
	    smb2-secdesc UI tool to view security descriptors is added
	    smbinfo is enhanced with capabilities to dump session keys and get/set compression of files
	    smbinfo bash completion is supported
	    getcifsacl tool is improved to support multiple files
	    https://lists.samba.org/archive/samba-technical/2019-December/134662.html
	April 5, 2019: Release 6.9
	    smbinfo utility is added to query various kinds of information from the server (objectId, snapshots, different FileInfo* classes and other metadata)
	    server IP change is supported by expiring DNS key resolver entries
	    get/setcifsacl tools are improved to handle unexpected behavior
	    share snapshot are allowed to be specified by a GMT token or SMB 100-nanoseconds time
	    various new mount option are documented: bsize, handletimeout, handlecache, rdma, max_credits and others
	    https://lists.samba.org/archive/samba-technical/2019-April/133233.html
	March 9, 2018: Release 6.8
	    man pages updates (auto-negotiate protocol version by default) and cleanups (moving to .rst format)
	    setcifsacl: fix security descriptor buffer size mismatch
	    cifscreds: fix a segfault for incorrect usage
	    minor mount.cifs fixes
	    https://lists.samba.org/archive/samba-technical/2018-March/126227.html
	March 2, 2017: Release 6.7
	    fixes for regressions from cifs.upcall overhaul
	    mount.cifs cleanups
	    https://lists.samba.org/archive/samba-technical/2017-March/119036.html
	September 3, 2016: Release 6.6
	    cleanup/overhaul of cifs.upcall krb5 credcache handling
	    https://lists.samba.org/archive/samba-technical/2016-September/115974.html
	February 22, 2016: Release 6.5
	    mount.cifs: ignore x- mount options
	    minor build fixes
	    minor manpage fix
	    https://lists.samba.org/archive/samba-technical/2016-February/112372.html
	July 11, 2014: Release 6.4
	    allow PAM directory to be configurable
	    better determination of default keytab file
	    better cifscreds error handling
	    uppercase devicename when retrying mount
	    https://lists.samba.org/archive/samba-technical/2014-July/101132.html
	January 9, 2014: Release 6.3
	    fixes for various bugs turned up by Coverity
	    clean unused cruft out of upcall binary
	    add new pam_cifscreds PAM module for establishing NTLM creds on login
	    https://lists.samba.org/archive/samba-technical/2014-January/097124.html
	October 4, 2013: Release 6.2
	    setcifsacl can now work without a plugin
	    systemd-ask-password is found using $PATH now
	    cifs.upcall now works with KEYRING: credcaches
	    https://lists.samba.org/archive/samba-technical/2013-October/095287.html
	July 2, 2013: Release 6.1
	    minor bugfixes
	    allow cifs.upcall to use dedicated keytab
	    https://lists.samba.org/archive/samba-technical/2013-July/093601.html
	March 25, 2013: Release 6.0
	    minor bugfixes and documentation updates
	    support for NFS-style device names removed
	    https://lists.samba.org/archive/samba-technical/2013-March/091169.html
- Rootfile updated

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Reviewed-by: Peter Müller <peter.mueller@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>