fix ldap ssl client with KEEP_EXISTING_CONFIG
diff --git a/image/service/slapd/startup.sh b/image/service/slapd/startup.sh
index 51772f6..68b9b7a 100755
--- a/image/service/slapd/startup.sh
+++ b/image/service/slapd/startup.sh
@@ -24,6 +24,12 @@
 WAS_STARTED_WITH_TLS_ENFORCE="/etc/ldap/slapd.d/docker-openldap-was-started-with-tls-enforce"
 WAS_STARTED_WITH_REPLICATION="/etc/ldap/slapd.d/docker-openldap-was-started-with-replication"
 
+LDAP_TLS_CA_CRT_PATH="${CONTAINER_SERVICE_DIR}/slapd/assets/certs/$LDAP_TLS_CA_CRT_FILENAME"
+LDAP_TLS_CRT_PATH="${CONTAINER_SERVICE_DIR}/slapd/assets/certs/$LDAP_TLS_CRT_FILENAME"
+LDAP_TLS_KEY_PATH="${CONTAINER_SERVICE_DIR}/slapd/assets/certs/$LDAP_TLS_KEY_FILENAME"
+LDAP_TLS_DH_PARAM_PATH="${CONTAINER_SERVICE_DIR}/slapd/assets/certs/dhparam.pem"
+
+
 # CONTAINER_SERVICE_DIR and CONTAINER_STATE_DIR variables are set by
 # the baseimage run tool more info : https://github.com/osixia/docker-light-baseimage
 
@@ -269,11 +275,6 @@
 
       log-helper info "Add TLS config..."
 
-      LDAP_TLS_CA_CRT_PATH="${CONTAINER_SERVICE_DIR}/slapd/assets/certs/$LDAP_TLS_CA_CRT_FILENAME"
-      LDAP_TLS_CRT_PATH="${CONTAINER_SERVICE_DIR}/slapd/assets/certs/$LDAP_TLS_CRT_FILENAME"
-      LDAP_TLS_KEY_PATH="${CONTAINER_SERVICE_DIR}/slapd/assets/certs/$LDAP_TLS_KEY_FILENAME"
-      LDAP_TLS_DH_PARAM_PATH="${CONTAINER_SERVICE_DIR}/slapd/assets/certs/dhparam.pem"
-
       # generate a certificate and key with ssl-helper tool if LDAP_CRT and LDAP_KEY files don't exists
       # https://github.com/osixia/docker-light-baseimage/blob/stable/image/service-available/:ssl-tools/assets/tool/ssl-helper
       ssl-helper $LDAP_SSL_HELPER_PREFIX $LDAP_TLS_CRT_PATH $LDAP_TLS_KEY_PATH $LDAP_TLS_CA_CRT_PATH
@@ -302,16 +303,6 @@
       echo "export PREVIOUS_LDAP_TLS_KEY_PATH=${LDAP_TLS_KEY_PATH}" >> $WAS_STARTED_WITH_TLS
       echo "export PREVIOUS_LDAP_TLS_DH_PARAM_PATH=${LDAP_TLS_DH_PARAM_PATH}" >> $WAS_STARTED_WITH_TLS
 
-      # ldap client config
-      sed -i --follow-symlinks "s,TLS_CACERT.*,TLS_CACERT ${LDAP_TLS_CA_CRT_PATH},g" /etc/ldap/ldap.conf
-      echo "TLS_REQCERT ${LDAP_TLS_VERIFY_CLIENT}" >> /etc/ldap/ldap.conf
-      cp -f /etc/ldap/ldap.conf ${CONTAINER_SERVICE_DIR}/slapd/assets/ldap.conf
-
-      [[ -f "$HOME/.ldaprc" ]] && rm -f $HOME/.ldaprc
-      echo "TLS_CERT ${LDAP_TLS_CRT_PATH}" > $HOME/.ldaprc
-      echo "TLS_KEY ${LDAP_TLS_KEY_PATH}" >> $HOME/.ldaprc
-      cp -f $HOME/.ldaprc ${CONTAINER_SERVICE_DIR}/slapd/assets/.ldaprc
-
       # enforce TLS
       if [ "${LDAP_TLS_ENFORCE,,}" == "true" ]; then
         log-helper info "Add enforce TLS..."
@@ -393,6 +384,21 @@
   fi
 
   #
+  # ldap client config
+  #
+  if [ "${LDAP_TLS,,}" == "true" ]; then
+    log-helper info "Configure ldap client TLS configuration..."
+    sed -i --follow-symlinks "s,TLS_CACERT.*,TLS_CACERT ${LDAP_TLS_CA_CRT_PATH},g" /etc/ldap/ldap.conf
+    echo "TLS_REQCERT ${LDAP_TLS_VERIFY_CLIENT}" >> /etc/ldap/ldap.conf
+    cp -f /etc/ldap/ldap.conf ${CONTAINER_SERVICE_DIR}/slapd/assets/ldap.conf
+
+    [[ -f "$HOME/.ldaprc" ]] && rm -f $HOME/.ldaprc
+    echo "TLS_CERT ${LDAP_TLS_CRT_PATH}" > $HOME/.ldaprc
+    echo "TLS_KEY ${LDAP_TLS_KEY_PATH}" >> $HOME/.ldaprc
+    cp -f $HOME/.ldaprc ${CONTAINER_SERVICE_DIR}/slapd/assets/.ldaprc
+  fi
+
+  #
   # remove container config files
   #
   if [ "${LDAP_REMOVE_CONFIG_AFTER_SETUP,,}" == "true" ]; then