Bug#45828: apt does not save partial packages, when connection times out.

[Matthias Klose <doko@cs.tu-berlin.de>]

Package: apt
Version: 0.3.13

Ign http://non-us.debian.org unstable/non-US/non-free Release
Err http://http.us.debian.org unstable/main Packages                           
  Connection timed out

When the connection times out, the partial downloaded package is
not saved. However when the process is interrupted with C-c manually
the file is saved.