Change logs for tf source package in Bionic

tf (1:4.0s1-20) unstable; urgency=medium

  * Fix reproducible builds by not including output of uname.
    (Closes: Bug#861133)
    Thanks to Chris Lamb for noticing and sending the patch.

 -- Jan Niehusmann <email address hidden>  Mon, 22 May 2017 16:29:16 +0200