cifs-utils: Update to version 7.1

cifs-utils: Update to version 7.1

- Update from version 7.0 to 7.1
- Update of rootfile not required
- libtalloc now required as a build and run-time dependency for cifs-utils
- Changelog
    7.1
	LDAP Ping capability
	smbinfo adds gettconinfo command
	Various improvements to man pages
	Detailed list of changes since 7.0 was released:
		0fae4c7 cifs-utils: bump version to 7.1
		2cd7b1f cifs: update documentation for sloppy mount option
		9918019 docs: add closetimeo description
		c4c30b5 docs: add compress description
		454870a checkopts: update it to work with latest kernel version
		465f213 cifs-utils: add documentation for multichannel and max_channels
		b3fe25c cifs-utils: smbinfo: add gettconinfo command
		c6bf4d9 Implement CLDAP Ping to find the closest site
		4718e09 (for-next) mount.cifs.rst: update section about xattr/acl support
		e7ec003 mount.cifs.rst: add missing reference for sssd
		3870f5b getcifsacl, setcifsacl: add missing <endian.h> include for le32toh
		c8ec7d1 getcifsacl, setcifsacl: add missing <linux/limits.h> include
		for XATTR_SIZE_MAX
		25d6552 cifs-utils: Make automake treat /sbin as exec, not data
		dac3301 pam_cifscreds: fix warning on NULL arg passed to %s in
			pam_syslog()
		7314638 cifs.upcall: fix UAF in get_cachename_from_process_env()
		ef0d95e cifs-utils: add documentation for acregmax and acdirmax
		2260c0d setcifsacl: Fix uninitialized value.
		1eee8e8 Use explicit "#!/usr/bin/python3"

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>