Import Debian changes 1:1.2.11.dfsg-2

zlib (1:1.2.11.dfsg-2) unstable; urgency=low

  * Acknowledge previous NMUs (closes: #949388).
  * Remove zlib1g-dbg in favour of dbgsym (closes: #497831, #926161).
  * Rename stage1 to nobiarch, patch no longer applies due to
    uncoordinated NMUs (closes: #892762).
  * Debhelper has renamed -s to -a.
  * Policy 4.5.0 (no changes).

zlib (1:1.2.11.dfsg-1.2) unstable; urgency=medium

  * Non-maintainer upload.
  * Fix ftbfs on mips64el caused by the previous NMU by
    remove it from 32-ARCHS to keep NMU minial.

zlib (1:1.2.11.dfsg-1.1) unstable; urgency=medium

  * Non-maintainer upload.
  * Enable lib64 for mipsn32 mipsn32el mipsr6 mipsr6el mipsn32r6 mipsn32r6el x32
    help to add binutils-host64 for 32bit architectures (Closes: 949388)
  * Remove outdated binutils version requirement for mips/mipsel.