Warning about missing include files on Windows

[danbev]

• Version: node-v9.0.0-pre
• Platform: Windows 10 64-bit
• Subsystem: build

Currently when building on Windows I noticed the following warning:

Warning: Missing input files:
deps\v8\src\..\..\include\v8-inspector-protocol.h
deps\v8\src\..\..\include\v8-inspector.h

It looks like the above two paths should be relative to the parent directory like others in that file.

I'm creating this issue so we can track issue.