So we know why did git fail on the Chromium Windows trybots.

R=agable@chromium.org

Bug: 643346
Change-Id: Iac0abd9202fb56fbed6f3edf382b755e96fed3bf
Reviewed-on: https://chromium-review.googlesource.com/1031128Reviewed-by: Aaron Gable <agable@chromium.org>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>