Dependency update, new golang.org/x package names

nativemodel_darwin.go

@@ -19,7 +19,7 @@ package protocol
 
 // Darwin uses NFD normalization
 
-import "code.google.com/p/go.text/unicode/norm"
+import "golang.org/x/text/unicode/norm"
 
 type nativeModel struct {
 	next Model

wireformat.go

@@ -18,7 +18,7 @@ package protocol
 import (
 	"path/filepath"
 
-	"code.google.com/p/go.text/unicode/norm"
+	"golang.org/x/text/unicode/norm"
 )
 
 type wireFormatConnection struct {