Avoid passing -rpath linker argument on Windows
Avoid passing -rpath linker argument on Windows

This argument is not supported on Windows and results in a linker error

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