Update ctr so it works again on windows

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

spec_windows.go

@@ -12,18 +12,23 @@ import (
 	specs "github.com/opencontainers/runtime-spec/specs-go"
 )
 
-const pipeRoot = `\\.\pipe`
-
 func createDefaultSpec() (*specs.Spec, error) {
 	return &specs.Spec{
 		Version: specs.Version,
 		Root:    &specs.Root{},
 		Process: &specs.Process{
+			Cwd: `C:\`,
 			ConsoleSize: &specs.Box{
 				Width:  80,
 				Height: 20,
 			},
 		},
+		Windows: &specs.Windows{
+			IgnoreFlushesDuringBoot: true,
+			Network: &specs.WindowsNetwork{
+				AllowUnqualifiedDNSQuery: true,
+			},
+		},
 	}, nil
 }