Clang update script: bump gnuwin version to include sort.exe

LLVM r347097 introduced a lit test that requires sort.

Bug: 904337
Change-Id: I2daaea742207a3b5a77a0b95571352928641c287
Reviewed-on: https://chromium-review.googlesource.com/c/1354939
Reviewed-by: Nico Weber <thakis@chromium.org>
Commit-Queue: Hans Wennborg <hans@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#612202}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: cc84b69c3a6ec0f918a2812ec2794b55e7399ea1
1 file changed