Bug#976677: gdk-pixbuf-xlib: is deprecated

[Simon McVittie]

On Sun, 06 Dec 2020 at 21:33:13 +0000, Simon McVittie wrote:
>gdk-pixbuf-xlib has been deprecated by its upstream developer.

Additionally, the upstream git repository has been archived and made 
read-only. This means that issue reports and merge requests are no 
longer accepted, and there will be no releases, even if a security 
vulnerability or other serious problem is found.

     smcv