Use defaults pkg for all platforms

Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>

defaults/defaults_windows.go

@@ -0,0 +1,24 @@
+// +build windows
+
+package defaults
+
+import (
+	"os"
+	"path/filepath"
+)
+
+var (
+	// DefaultRootDir is the default location used by containerd to store
+	// persistent data
+	DefaultRootDir = filepath.Join(os.Getenv("programfiles"), "containerd", "root")
+	// DefaultStateDir is the default location used by containerd to store
+	// transient data
+	DefaultStateDir = filepath.Join(os.Getenv("programfiles"), "containerd", "state")
+)
+
+const (
+	// DefaultAddress is the default winpipe address
+	DefaultAddress = `\\.\pipe\containerd-containerd`
+	// DefaultDebugAddress is the default winpipe address for pprof data
+	DefaultDebugAddress = `\\.\pipe\containerd-debug`
+)