Package samba-util-private-headers: Information

- Update to latest stable security release of the Samba 4.11
- Security fixes:
  + CVE-2020-10730: NULL pointer de-reference and use-after-free in Samba AD DC
                    LDAP Server with ASQ, VLV and paged_results
  + CVE-2020-10745: Parsing and packing of NBT and DNS packets can consume excessive CPU
  + CVE-2020-10760: LDAP Use-after-free in Samba AD DC Global Catalog with paged_results and VLV
  + CVE-2020-14303: Empty UDP packet DoS in Samba AD DC nbtd

- Update to latest stable bugfix release of the Samba 4.11
- Build with ldb 2.0.11, LMDB databases can grow without bounds.
- Fix glusterfs build requires (Closes: 38038)

- Apply patches from fedora:
  + Add use the new des_crypt56_gnutls() and remove builtin DES crypto
  + Remove DES support if MIT Kerberos version does not support it
  + Create working private krb5.conf due it used by DNS update tool and should
    have enough details to authenticate with GSS-TSIG when running nsupdate