Log Message:
Update clex to 3.16.
Patch provided by maintainer, Bartosz Kuzma by PR 36634.

3.16   24-APR-2007
   Problems fixed:
      - filter in the file panel could leave the counter of
        selected files in an inconsistent state. This could
        lead to problems in other functions that were using
        the counter. The problem existed only on some
        systems

3.15   14-AUG-2006
   Problems fixed:
      - the tilde expansion in the internal cd (change
        directory) command did not work in CLEX 3.14,
        the problem has been corrected
      - the usage of the <del> key in the history panel
        has been corrected: press <del> to delete the
        character from the command line and press
        <esc> <del> to delete the entry from the panel
      - the situation when some external command crashes
        and leaves the non-blocking flag set on standard
        input is now properly handled
   New/improved functionality:
      - the locate file function was replaced by a more
        efficient panel filter mechanism. The filtering
        is available in several panel types (ctrl-F)
      - some key bindings has been redefined for
        compatibility reasons:
                                             old        new
           move cursor left to next word    ctrl-B --> alt-B
          move cursor right to next word    ctrl-W --> alt-F
                             delete word    ctrl-D --> alt-D
                         directory panel     alt-D --> alt-W
                          bookmark panel     alt-B --> alt-K
        delete until the end of the line    ctrl-Y -> ctrl-K
       complete from the command history    ctrl-K --> alt-P
                      main function menu    ctrl-G --> alt-M
            insert the full filename   <esc> <tab> -> ctrl-A
      - (for emacs users) ctrl-G has now the same meaning
        as ctrl-C (cancel)
      - user and group names longer than 8 characters were
        silently truncated in the file panel, such names
        are now displayed using the '>' mark
      - user (alt-U) and group (alt-G) information panels
        have been added
      - new panel (<esc> <tab>) that summarizes all
        completion and insertion functions has been added.
        Type of the completion can be specified using this
        panel
      - completion of commands from the history utilizes
        the same user interface as the name completion
      - changes made in the bookmark manager can be
        cancelled
      - the input line of the directory panel has no longer
        precedence over the panel contents. You can switch
        the focus (indicated by cursor bar's visibility)
        from the input line to the panel and back
      - it is no longer possible to execute commands
        directly from within the history panel. It was
        easy to make a mistake there and execute other
        command than intended (panel vs input line)
      - characters '!' and ':' are automatically quoted only
        if your shell is a C-shell
      - there is yet another new option in the directory
        compare panel
      - configuration parameter SHELLPROG:
        standard option -c <COMMAND> is appended
        automatically if it is not specified
      - configuration parameters CMD_Fn:
        command parameters $c and $S have been added
        (cursor position and selected files)
      - configuration parameters LAYOUTn:
        there are two new fields: $S and $P
        (alternative forms of file size and permissions)