message: zlib: Update to 1.2.11.
diff: @@ -225,7 +225,7 @@ def configure(cxx_toolkit = None,
  ## Zlib ##
  ## ---- ##
  - zlib_version = '1.2.10'
  + zlib_version = '1.2.11'
  zlib_basename = 'zlib-%s' % zlib_version
  zlib_tarball = drake.node('zlib/%s.tar.gz' % zlib_basename)
  zlib_prefix = drake.Path('zlib')
  @@ -239,7 +239,7 @@ def configure(cxx_toolkit = None,
  drake.HTTPDownload(
  zlib_url,
  zlib_tarball,
  - fingerprint = 'd9794246f853d15ce0fcbf79b9a3cf13'
  + fingerprint = '1c9f62f0778697a09d36121ead88e08e'
  )
  drake.TarballExtractor(
  zlib_tarball,
  