Auto merge of #19359 - mstange:bug1417709-try2, r=emilio

Bug 1417709, round two

<!-- Please describe your changes on the following line: -->

These are the servo changes that need to go with [bug 1417709](https://bugzilla.mozilla.org/show_bug.cgi?id=1417709).

r? @emilio

---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: -->
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [ ] These changes fix #__ (github issue number if applicable).

<!-- Either: -->
- [ ] There are tests for these changes OR
- [x] These changes do not require tests because without these changes Firefox doesn't build.

<!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.-->

<!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. -->

<!-- Reviewable:start -->
---
This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/19359)
<!-- Reviewable:end -->

0 files changed, 0 insertions, 0 deletions