vendor update for CSI 0.3.0

vendor/k8s.io/kubernetes/pkg/kubectl/cmd/alpha.go

@@ -17,17 +17,16 @@ limitations under the License.
 package cmd
 
 import (
-	"io"
-
 	"github.com/spf13/cobra"
 
 	"k8s.io/kubernetes/pkg/kubectl/cmd/templates"
 	cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
+	"k8s.io/kubernetes/pkg/kubectl/genericclioptions"
 	"k8s.io/kubernetes/pkg/kubectl/util/i18n"
 )
 
 // NewCmdAlpha creates a command that acts as an alternate root command for features in alpha
-func NewCmdAlpha(f cmdutil.Factory, in io.Reader, out, err io.Writer) *cobra.Command {
+func NewCmdAlpha(f cmdutil.Factory, streams genericclioptions.IOStreams) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "alpha",
 		Short: i18n.T("Commands for features in alpha"),
@@ -37,7 +36,7 @@ func NewCmdAlpha(f cmdutil.Factory, in io.Reader, out, err io.Writer) *cobra.Com
 	// Alpha commands should be added here. As features graduate from alpha they should move
 	// from here to the CommandGroups defined by NewKubeletCommand() in cmd.go.
 	//cmd.AddCommand(NewCmdDebug(f, in, out, err))
-	cmd.AddCommand(NewCmdDiff(f, out, err))
+	cmd.AddCommand(NewCmdDiff(f, streams))
 
 	// NewKubeletCommand() will hide the alpha command if it has no subcommands. Overriding
 	// the help function ensures a reasonable message if someone types the hidden command anyway.