gdb 7.12-4 source package in Debian

Changelog

gdb (7.12-4) unstable; urgency=medium

  * debian/sanitize-gdb.sh: drop chm from doc tarball as well.
    - lintian complains *.chm files are included without sources
  * Revert "debian/control: declare gdb{,-python2} m-a same"
    (Closes: #848362)
  * debian/patches: fix python framefilter.
    - get address as long instead of unsigned long.
      (Closes: #814558)
  * debian/gbp.conf: add upstream branch, pristine-tar.

 -- Héctor Orón Martínez <email address hidden>  Sun, 18 Dec 2016 01:44:24 +0100