Windows: Archive package changes for Windows daemon

Signed-off-by: John Howard <jhoward@microsoft.com>

system/lstat_windows.go

@@ -2,7 +2,28 @@
 
 package system
 
+import (
+	"os"
+)
+
+// Some explanation for my own sanity, and hopefully maintainers in the
+// future.
+//
+// Lstat calls os.Lstat to get a fileinfo interface back.
+// This is then copied into our own locally defined structure.
+// Note the Linux version uses fromStatT to do the copy back,
+// but that not strictly necessary when already in an OS specific module.
+
 func Lstat(path string) (*Stat_t, error) {
-	// should not be called on cli code path
-	return nil, ErrNotSupportedPlatform
+	fi, err := os.Lstat(path)
+	if err != nil {
+		return nil, err
+	}
+
+	return &Stat_t{
+		name:    fi.Name(),
+		size:    fi.Size(),
+		mode:    fi.Mode(),
+		modTime: fi.ModTime(),
+		isDir:   fi.IsDir()}, nil
 }