SUSE-SU-2018:0018-1 Security update for samba

This update for samba fixes the following issues: - CVE-2017-15275: s3: smbd: Chain code can return uninitialized memory when talloc buffer is grown; bsc1063008; bso13077; - s3/libads: fix seal/signed ldap connections so they are reused; bsc1016531...