Auto merge of #24352 - servo:jdm-patch-28, r=paulrouget
Auto merge of #24352 - servo:jdm-patch-28, r=paulrouget

Use correct OpenSSL arch in UWP builds.

This is a followup from #24257. I forgot to run the UWP WACK tests after making my changes, or I would have noticed that the wrong DLLs were being selected for UWP builds.

<!-- 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/24352)
<!-- Reviewable:end -->

larsbergstrom/servo,DominoTree/servo,DominoTree/servo,splav/servo,larsbergstrom/servo,saneyuki/servo,DominoTree/servo,saneyuki/servo,DominoTree/servo,saneyuki/servo,splav/servo,larsbergstrom/servo,larsbergstrom/servo,splav/servo,splav/servo,splav/servo,KiChjang/servo,splav/servo,DominoTree/servo,DominoTree/servo,DominoTree/servo,KiChjang/servo,KiChjang/servo,larsbergstrom/servo,KiChjang/servo,larsbergstrom/servo,splav/servo,DominoTree/servo,larsbergstrom/servo,KiChjang/servo,larsbergstrom/servo,larsbergstrom/servo,KiChjang/servo,saneyuki/servo,KiChjang/servo,saneyuki/servo,KiChjang/servo,saneyuki/servo,saneyuki/servo,DominoTree/servo,KiChjang/servo,saneyuki/servo,splav/servo,saneyuki/servo,splav/servo,KiChjang/servo,splav/servo,DominoTree/servo,larsbergstrom/servo,saneyuki/servo