Disable -Wpragma-pack for this project.

This is only in the Windows build, and only affects an internal header,
so just turning the warning off probably makes more sense than carrying
a local patch.

Exempt-From-Owner-Approval: janitorial.
Bug: http://b/73971777
Test: treehugger
Change-Id: I995df0c3dd245a6dee482c3938f19a65a3570dd5
1 file changed