bug#59570: zbarimg displays a weird message on stderr

[Clément Lassieur]

Reproduced on foreign distro (Ubuntu 22.04).

Steps to reproduce:

echo bar | qrencode --8bit --output foo.png

zbarimg -1 -q --raw -Sbinary foo.png

Output:

Name Error (Connection ":1.734" is not allowed to own the service "org.linuxtv.Zbar" due to security policies in the configuration file)

bar

Expected output:

bar