[DSE-Dev] Bug#943495: fix building with a new compiler warning when building for python3.8

[Matthias Klose]

Package: src:setools
Version: 4.2.2-1
Severity: important
Tags: sid bullseye patch
User: debian-python at lists.debian.org
Usertags: python3.8

fix building with a new compiler warning when building for python3.8.

http://launchpadlibrarian.net/448395331/setools_4.2.2-1build1_4.2.2-1ubuntu1.diff.gz