Basics: alter the definition of root for Windows
Basics: alter the definition of root for Windows

Rather than use a "root" for Windows, use the drive-relative path as a
"root" to terminate iteration/recursion.  Windows does not present the
file system as a unified singular rooted tree and instead has a forest
and thus the level-1 path is conceptually close to the root desired.

apple/swift-package-manager,abertelrud/swift-package-manager,apple/swift-package-manager,abertelrud/swift-package-manager,abertelrud/swift-package-manager,apple/swift-package-manager,abertelrud/swift-package-manager,apple/swift-package-manager,abertelrud/swift-package-manager,apple/swift-package-manager