Also fix Windows build so that REACTOR_EMIT_PRINT_LOCATION is actually
enabled.

Bug: b/174358505
Change-Id: I742fd48fd982915a452b4b86ceaf44d383797b55
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/50892
Kokoro-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Tested-by: Antonio Maiorano <amaiorano@google.com>