Bug#560814: console-setup: Wrong toggle when three keyboard layout are set

[Goran Vulić <vulic@3dnet.rs>]

Package: console-setup
Version: 1.28
Severity: normal

Toggle through different keyboard layout are incorrect when three layout are set.
Toggle through layout reproduce this:
first,second,third,second, array repeat
Expected result is:
first,second,third, array repeat

-- System Information:
Debian Release: 5.0.3
  APT prefers stable
  APT policy: (850, 'stable'), (190, 'testing')
Architecture: i386 (i686)

Kernel: Linux 2.6.26-built-in-option (PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=sr_RS.UTF-8@latin (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages console-setup depends on:
ii  console-terminus              4.26-2.1   Fixed-width fonts for fast reading
ii  debconf [debconf-2.0]         1.5.24     Debian configuration management sy
ii  xkb-data                      1.3-2      X Keyboard Extension (XKB) configu

Versions of packages console-setup recommends:
ii  console-tools            1:0.2.3dbs-65.1 Linux console and font utilities

Versions of packages console-setup suggests:
ii  lsb-base                      3.2-20     Linux Standard Base 3.2 init scrip

-- debconf information:
* console-setup/variant: Serbia - Latin
  console-setup/fontsize-text: 16
* console-setup/compose: No compose key
  console-setup/modelcode: pc105
  console-setup/switch: Right Logo key
  console-setup/fontsize: 16
* console-setup/charmap: UTF-8
  console-setup/layoutcode: rs,rs,us,
  console-setup/optionscode: lv3:ralt_switch,grp:rwin_switch,grp:rwin_toggle
  debian-installer/console-setup/title:
* console-setup/layout: Serbia
  console-setup/variantcode: latin,,
  console-setup/codesetcode: CyrSlav
* console-setup/dont_ask_layout:
* console-setup/altgr: Right Alt
* console-setup/ttys: /dev/tty[1-6]
* console-setup/model: Generic 105-key (Intl) PC
* console-setup/fontsize-fb: 16
* console-setup/codeset: # Cyrillic - Slavic languages (also Bosnian and Serbian Latin)
  console-setup/toggle: Right Logo key
* console-setup/fontface: TerminusBold