Bug#858090: annoying password dialogs at upgrade time

[Harald Dunkel <harald.dunkel@aixigo.de>]

Package: cups
Version: 1.7.5-11+deb8u1

Cups becomes *highly* annoying at upgrade time:

# dpkg-reconfigure cups
:
Updating PPD files for cups ...
Updating PPD files for hpijs ...
Password for root on srvvm03.example.com?  ********
PPD for printer prn02 updated
Password for root on srvvm03.example.com?  ********
PPD for printer prn04 updated
Password for root on srvvm03.example.com?  ********
PPD for printer prn05 updated
Password for root on srvvm03.example.com?  ********
PPD for printer prn06 updated
Password for root on srvvm03.example.com?  ********
PPD for printer prn07 updated
Password for root on srvvm03.example.com?  ********
PPD for printer prn08 updated
Password for root on srvvm03.example.com?  ********
PPD for printer prn09 updated
Password for root on srvvm03.example.com?  ********
PPD for printer prn10 updated
Password for root on srvvm03.example.com?  ********
PPD for printer prn12 updated
Password for root on srvvm03.example.com?  ********
PPD for printer prn13 updated
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