Bug#884730: arp-scan: get-oui/get-iab errors: "Wide character in print"

[Hilko Bengen]

Control: tag -1 pending

* Reiner Herrmann:

> # get-oui
> Wide character in print at /usr/sbin/get-oui line 136.
> [...]
> # get-iab
> Wide character in print at /usr/sbin/get-iab line 149.

I have applied a patch to git that fixes this by opening the output file
in UTF-8 mode.

Cheers,
-Hilko