Include windows.h in debug windows vulkan to fix build.

Bug: skia:
Change-Id: Iffe16e9d179fe63c68851bc2d421f56113c302ad
Reviewed-on: https://skia-review.googlesource.com/144789
Commit-Queue: Greg Daniel <egdaniel@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
Auto-Submit: Greg Daniel <egdaniel@google.com>
1 file changed