[poppler] Utils - Fix UTF-16 file name on Windows environment

[Martin (gzlist)]

On 25/06/2018, Thibaut Brard <thibaut.brard at gmail.com> wrote:
>
> I just have a look to GooFile. As I understand, Martin suggests to use it
> instead of gfile.cc, am I right?

No, using openFile is fine in general, it just happens to be wrong in
the VMS case whereas a GooFile codepath includes the extra param.

For now, just changing the calls that you've been able to test locally
with non-ascii filenames sounds like a good first step for the patch.

Martin