Change logs for autoconf source package in Impish

autoconf (2.69-14) unstable; urgency=medium

  * QA upload.
  * Remove build date from autoconf.texi (Closes: #978054).
  * debian/control: Add Vcs headers.

 -- Vagrant Cascadian <email address hidden>  Fri, 25 Dec 2020 01:25:29 -0800