Fix windows build of Mesa.

Just adding two tiny text files here allows build-mesa.sh to work
properly when building Windows binaries with a fresh checkout of
this directory.

See https://android-review.googlesource.com/#/c/152704/ for context.

Change-Id: I9dca1d4a7be0be7dfb1565020d237dd621439fd7
2 files changed
tree: 5675c6a8666d41752fb6b824145bbf71b2d91e27
  1. darwin-x86_64/
  2. linux-x86/
  3. linux-x86_64/
  4. windows-x86/
  5. windows-x86_64/