bug#6421: 23.2; filename completion error on unused Windows drive letter

[Eli Zaretskii]

> From: Richard Copley <Richard.Copley@uhb.nhs.uk>
> Date: Mon, 14 Jun 2010 10:58:59 +0100
> Accept-Language: en-US, en-GB
> acceptlanguage: en-US, en-GB
> Cc: 
> 
> Get prompted for a filename, enter "G:/" (or "G:\") (where 'G' is not a
> mapped drive letter) and invoke `minibuffer-complete'. Should say "[No
> match]" but says "Args out of range: "g:", 0, 3" instead.

> In GNU  Emacs 23.2.1 (i386-mingw-nt5.1.2600)
> of 2010-05-08 on G41R2F1
> Windowing system distributor `Microsoft Corp.', version 5.1.2600
> configured using `configure --with-gcc (3.4) --no-opt --cflags 
> -Ic:/xpm/include'

Thanks, this is already fixed in the development sources.