Roll third_party/externals/freetype 4d3f7ca8cedb..ffd8f622360

https://skia.googlesource.com/third_party/freetype2.git/+log/4d3f7ca8cedb..ffd8f622360

Change-Id: Ia9d8af09253d0aff343c2310f5eb8c934b2ebbda
Reviewed-on: https://skia-review.googlesource.com/5685
Reviewed-by: Derek Sollenberger <djsollen@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
2 files changed