message: Update zlib checksum.
diff: @@ -233,7 +233,7 @@ def configure(cxx_toolkit = None,
  drake.HTTPDownload(
  zlib_url,
  zlib_tarball,
  - fingerprint = '44d667c142d7cda120332623eab69f40'
  + fingerprint = 'e453644539a07783aa525e834491134e'
  )
  drake.TarballExtractor(
  zlib_tarball,
  