samba 4 classic upgrade ldap

[ft]

I run into this bug:
https://bugzilla.samba.org/show_bug.cgi?id=11530

In the Bugreport is an Patch included.
Would be nice if this could be fixed in the current Ubuntu 16.04 samba 4.3.9 Pakage.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: samba 2:4.3.9+dfsg-0ubuntu0.16.04.2
ProcVersionSignature: Ubuntu 4.4.0-28.47-generic 4.4.13
Uname: Linux 4.4.0-28-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Thu Jun 30 13:02:30 2016
OtherFailedConnect: Yes
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=de_AT.UTF-8
 SHELL=/bin/bash
SambaServerRegression: Yes
SmbConfIncluded: No
SourcePackage: samba
UpgradeStatus: No upgrade log present (probably fresh install)