message: Add nasm mirror
diff: @@ -226,6 +226,7 @@ def tf_workspace(path_prefix="", tf_repo_name=""):
  urls = [
  "https://mirror.bazel.build/github.com/libjpeg-turbo/libjpeg-turbo/archive/1.5.1.tar.gz",
  "https://github.com/libjpeg-turbo/libjpeg-turbo/archive/1.5.1.tar.gz",
  + "http://www.nasm.us/pub/nasm/releasebuilds/2.12.02/nasm-2.12.02.tar.bz2",
  ],
  sha256 = "c15a9607892113946379ccea3ca8b85018301b200754f209453ab21674268e77",
  strip_prefix = "libjpeg-turbo-1.5.1",
  