https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=738631

This is quite an old Debian-bug, that hardly affects me anymore, but well, I reported it first, so I am the owner of it. 
Nonetheless, GNOME is the default desktop in Debian-Jessie, so I think this issue really should be dealt with. The original post was:

> Package: gnome-screensaver
> Version: 3.6.1-1
> Severity: minor
> 
> Dear Maintainer,
> 
> *** Reporter, please consider answering these questions, where appropriate ***
> 
>    * What led up to the situation?
>    * What exactly did you do (or not do) that was effective (or
>      ineffective)?
>    * What was the outcome of this action?
>    * What outcome did you expect instead?
> 
> *** End of the template - remove these template lines ***
> 
> 
> - -- System Information:
> Debian Release: jessie/sid
>   APT prefers testing-updates
>   APT policy: (500, 'testing-updates'), (500, 'testing'), (50, 'unstable')
> Architecture: amd64 (x86_64)
> Foreign Architectures: i386
> 
> Kernel: Linux 3.12.9caec (SMP w/2 CPU cores)
> Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
> 
> Versions of packages gnome-screensaver depends on:
> ii  dbus-x11                   1.8.0-1
> ii  gnome-icon-theme           3.10.0-1
> ii  gnome-session-bin          3.8.4-3
> ii  gsettings-desktop-schemas  3.8.2-2
> ii  libc6                      2.17-97
> ii  libcairo2                  1.12.16-2
> ii  libdbus-1-3                1.8.0-1
> ii  libdbus-glib-1-2           0.100.2-1
> ii  libgdk-pixbuf2.0-0         2.28.2-1+b1
> ii  libglib2.0-0               2.36.4-1
> ii  libgnome-desktop-3-7       3.8.4-2
> ii  libgnomekbd8               3.6.0-1
> ii  libgtk-3-0                 3.8.6-1
> ii  libpam0g                   1.1.3-10
> ii  libx11-6                   2:1.6.2-1
> ii  libxext6                   2:1.3.2-1
> ii  libxklavier16              5.2.1-1
> ii  libxxf86vm1                1:1.1.3-1
> 
> Versions of packages gnome-screensaver recommends:
> ii  gnome-power-manager   3.8.2-1
> ii  libpam-gnome-keyring  3.8.2-2+b1
> 
> gnome-screensaver suggests no packages.
> 
> - -- no debconf information