Bug#323926: base-config fail to upgrade with apt

[moi <moi1392@gmail.com>]

Package: base-config
Version: 2.70
Severity: normal


apt fail to upgrade base-config with this error :
"/var/lib/dpkg/info/base-config.postinst: line 59: syntax error near
unexpected token `db_fset'"

-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.12
Locale: LANG=fr_FR@euro, LC_CTYPE=fr_FR@euro (charmap=ISO-8859-15)

Versions of packages base-config depends on:
ii  adduser                 3.67             Add and remove users and groups
ii  apt                     0.6.40.1         Advanced front-end for dpkg
ii  bsdutils                1:2.12p-6        Basic utilities from 4.4BSD-Lite
ii  console-data            2002.12.04dbs-49 Keymaps, fonts, charset maps, fall
ii  console-tools           1:0.2.3dbs-56    Linux console and font utilities
ii  debconf                 1.4.57           Debian configuration management sy
ii  debianutils             2.14.2           Miscellaneous utilities specific t
ii  gettext-base            0.14.5-2         GNU Internationalization utilities
ii  passwd                  1:4.0.3-39       change and administer password and

base-config recommends no packages.

-- debconf information excluded