bug#11755: 24.1.50; regression: invalid function - file name completion

[Drew Adams]

> > (try-completion "c:/foo" 'read-file-name-internal "c:/foobar/")
> > (file-name-completion "foo" "c:/" "c:/foobar/") ; signals an error
>  
> Because the third argument to those functions should be a 
> PREDicate, not a string.  Emacs-23 and Emacs-24.1 still
> accepted the old hack of passing the PWD in this predicate
> argument, but not 24.2. Please fix Icicles accordingly.

Ah yes.  I had changed the arg everywhere else, to:
(if (< emacs-major-version 23)
    default-directory
  minibuffer-completion-predicate)

Missed that occurrence.  Thx.