Upgrade to 2.4.59; remove its9295.patch.

Dockerfile

@@ -2,7 +2,7 @@ FROM debian:buster-slim AS builder
 ADD build.sh /
 # https://rt.symas.com/rt/Ticket/Display.html?id=1628
 # Fix access log ADD/DELETE order bug
-ADD its9295.patch /
+# ADD its9295.patch /
 RUN /build.sh
 
 FROM debian:buster-slim

build.sh

 #!/bin/bash -e
 # Maintainer: sfeng@stanford.edu
 
-OPENLDAP_VERSION=openldap-2.4.58
+OPENLDAP_VERSION=openldap-2.4.59
 CYRUS_SASL_VERSION=cyrus-sasl-2.1.27
 OPENLDAP_TARBALL=ftp://ftp.openldap.org/pub/OpenLDAP/openldap-release/${OPENLDAP_VERSION}.tgz
 CYRUS_SASL_TARBALL=https://github.com/cyrusimap/cyrus-sasl/releases/download/${CYRUS_SASL_VERSION}/${CYRUS_SASL_VERSION}.tar.gz
@@ -59,9 +59,9 @@ function install_cyrus_sasl {
 # Install OpenLDAP
 function install_openldap {
     cd ${WORKDIR}/${OPENLDAP_VERSION}
-    echo "patch -p1 /its9295.patch"
-    ls -l /its9295.patch
-    patch -p1 < /its9295.patch
+    # echo "patch -p1 /its9295.patch"
+    # ls -l /its9295.patch
+    # patch -p1 < /its9295.patch
     ./configure \
         --prefix=/usr \
         --libexecdir='${prefix}/lib' \