message: Update libjpeg-turbo 2.0.0 => 2.0.4
  This PR updates libjpeg-turbo from 2.0.0 (July 2018) to the latest 2.0.4 (Dec 2019),
  as there are quite a few CVE related vulnerabilities
  (https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=libjpeg) since then.
diff: @@ -6,11 +6,11 @@ def repo():
  third_party_http_archive(
  name = "libjpeg_turbo",
  urls = [
  - "https://storage.googleapis.com/mirror.tensorflow.org/github.com/libjpeg-turbo/libjpeg-turbo/archive/2.0.0.tar.gz",
  - "https://github.com/libjpeg-turbo/libjpeg-turbo/archive/2.0.0.tar.gz",
  + "https://storage.googleapis.com/mirror.tensorflow.org/github.com/libjpeg-turbo/libjpeg-turbo/archive/2.0.4.tar.gz",
  + "https://github.com/libjpeg-turbo/libjpeg-turbo/archive/2.0.4.tar.gz",
  ],
  - sha256 = "f892fff427ab3adffc289363eac26d197ce3ccacefe5f5822377348a8166069b",
  - strip_prefix = "libjpeg-turbo-2.0.0",
  + sha256 = "7777c3c19762940cff42b3ba4d7cd5c52d1671b39a79532050c85efb99079064",
  + strip_prefix = "libjpeg-turbo-2.0.4",
  build_file = "//third_party/jpeg:BUILD.bazel",
  system_build_file = "//third_party/jpeg:BUILD.system",
  )
  