account for removal of configs.HookState

Signed-off-by: Andrew Hsu <andrewhsu@docker.com>

libnetwork/sandbox_externalkey_unix.go

@@ -13,7 +13,7 @@ import (
 	"path/filepath"
 
 	"github.com/docker/libnetwork/types"
-	"github.com/opencontainers/runc/libcontainer/configs"
+	"github.com/opencontainers/runtime-spec/specs-go"
 	"github.com/sirupsen/logrus"
 )
 
@@ -25,7 +25,7 @@ const (
 
 // processSetKeyReexec is a private function that must be called only on an reexec path
 // It expects 3 args { [0] = "libnetwork-setkey", [1] = <container-id>, [2] = <controller-id> }
-// It also expects configs.HookState as a json string in <stdin>
+// It also expects specs.State as a json string in <stdin>
 // Refer to https://github.com/opencontainers/runc/pull/160/ for more information
 // The docker exec-root can be specified as "-exec-root" flag. The default value is "/run/docker".
 func processSetKeyReexec() {
@@ -50,12 +50,12 @@ func processSetKeyReexec() {
 	}
 	containerID, controllerID := args[0], args[1]
 
-	// We expect configs.HookState as a json string in <stdin>
+	// We expect specs.State as a json string in <stdin>
 	stateBuf, err := ioutil.ReadAll(os.Stdin)
 	if err != nil {
 		return
 	}
-	var state configs.HookState
+	var state specs.State
 	if err = json.Unmarshal(stateBuf, &state); err != nil {
 		return
 	}