Description

The triple for Windows was wrong in the Dawn archive bundle, plus Swift complains if the library does not start with "lib"

Motivation and Context

Makes the Dawn archive bundle that is built nightly usable from Swift on Windows.

How Has This Been Tested?

Inspected by hand

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.