[Python-checkins] Update macOS installer to XZ 5.2.3 (#4718)

[Ned Deily]

https://github.com/python/cpython/commit/e6f8a7378d701823c6821217bf7ac8a540ab143b
commit: e6f8a7378d701823c6821217bf7ac8a540ab143b
branch: master
author: Ned Deily <nad at python.org>
committer: GitHub <noreply at github.com>
date: 2017-12-04T22:55:20-05:00
summary:

Update macOS installer to XZ 5.2.3 (#4718)

files:
M Mac/BuildScript/build-installer.py

diff --git a/Mac/BuildScript/build-installer.py b/Mac/BuildScript/build-installer.py
index dbe5ffd104b..cc6241f817a 100755
--- a/Mac/BuildScript/build-installer.py
+++ b/Mac/BuildScript/build-installer.py
@@ -270,9 +270,9 @@ def library_recipes():
     if PYTHON_3:
         result.extend([
           dict(
-              name="XZ 5.2.2",
-              url="http://tukaani.org/xz/xz-5.2.2.tar.gz",
-              checksum='7cf6a8544a7dae8e8106fdf7addfa28c',
+              name="XZ 5.2.3",
+              url="http://tukaani.org/xz/xz-5.2.3.tar.gz",
+              checksum='ef68674fb47a8b8e741b34e429d86e9d',
               configure_pre=[
                     '--disable-dependency-tracking',
               ]