'RELENG_4_1_0_RELEASE'.

This commit was manufactured to restore the state of the 4.1-RELEASE image.
Releases prior to 5.3-RELEASE are omitting the secure/ and crypto/ subdirs.

- Add Belgian keyboard map with dead keys (be.iso.acc.kbd).

Tested and corrections submitted by: "Renaud Fivet" <rfi@ntc.be>

 - The numpad * key should always generate *.
 - The numpad - is fkey52 and should not generate a control code (0x1f).
 - The numpad 5 is fkey54, not fkey61.
 - The numpad 6 is fkey55 and should not generate a control code (0x1e).

- Fix Spanish keymap.
PR: i386/9532
Submitted by jose@we.lc.ehu.es.

- Added Croatian keymap. It is the same as the Slovenian keymap.
PR: misc/9706
Pointed out by: Damjan Marion

- Addef Finnish keymap. It is the same as the Swedish keymap.
PR: bin/9632
Submitted by: Martti Kuparinen

- Assign special functions consistently in all keymap files.

101 keyboard                    84 keyboard                     function
------------------------------------------------------------------------
Ctrl-Alt-Delete                 Ctrl-Alt-Delete                 reboot
Ctrl-Alt-Esc                    Ctrl-Alt-Esc                    debug
Ctrl-Alt-Space                  Ctrl-Alt-Space                  susp
ScrollLock                      ScrollLock                      slock
PrintScreen                     Shift-(Numpad *)/PrintScreen    nscr
Ctrl-PrintScreen                Shift-Ctrl-(Numpad *)/PrintScreen debug
Alt-PrintScreen/SysRq           SysRq                           nop
Pause                           Ctrl-NumLock                    slock
Shift-Pause                     Shift-Ctrl-NumLock              saver
Alt-Pause                       Alt-Ctrl-NumLock                susp
Ctrl-Pause/Break                Ctrl-ScrollLock/Break           nop
Left W*ndow key                 NA                              fkey62
Right W*ndow key                NA                              fkey63
Menu                            NA                              fkey64

NOTE: us.unix.kbd and us.emacs.kbd are very much different from the
other keymaps, thus, I didn't touch them.

  - define CTL-ALT-ESC as `debug' key in all keymaps. (FAQ mentions this
    key sequence but not all keymaps had it!)
  - define CTL-SPACE as NUL in all keymaps.
  - define CTL-ALT-SPACE as `suspend' key in all but Russiun keymaps.
- Fix Japanese keymaps. Some CTL- keystrokes were wrong.
- Remove accent (dead) key definitions from spanish.iso.kbd,
  fr.iso.kbd and icelandic.iso.kbd.  Create spanish.iso.acc.kbd,
  fr.iso.acc.kbd and icelandic.iso.acc.kbd with accent key definitions
  instead.
- Update INDEX.keymaps and Makefile.

Submitted by: bovynf@awe.be

and a superfluous `i' on stdout (lex' default rule...).

add iso keyboard map for Belgian