Fix imports

Signed-off-by: Emily Casey <ecasey@pivotal.io>

osxkeychain/osxkeychain_darwin.go

@@ -10,11 +10,11 @@ package osxkeychain
 import "C"
 import (
 	"errors"
-	"github.com/docker/docker-credential-helpers/registryurl"
 	"strconv"
 	"unsafe"
 
 	"github.com/docker/docker-credential-helpers/credentials"
+	"github.com/docker/docker-credential-helpers/registryurl"
 )
 
 // errCredentialsNotFound is the specific error message returned by OS X

osxkeychain/osxkeychain_darwin_test.go

@@ -2,8 +2,9 @@ package osxkeychain
 
 import (
 	"fmt"
-	"github.com/docker/docker-credential-helpers/credentials"
 	"testing"
+
+	"github.com/docker/docker-credential-helpers/credentials"
 )
 
 func TestOSXKeychainHelper(t *testing.T) {

registryurl/url_non_go18.go

@@ -3,8 +3,8 @@
 package registryurl
 
 import (
-	"strings"
 	url "net/url"
+	"strings"
 )
 
 func GetHostname(u *url.URL) string {

wincred/wincred_windows.go

@@ -2,12 +2,12 @@ package wincred
 
 import (
 	"bytes"
-	"github.com/docker/docker-credential-helpers/registryurl"
 	"net/url"
 	"strings"
 
 	winc "github.com/danieljoos/wincred"
 	"github.com/docker/docker-credential-helpers/credentials"
+	"github.com/docker/docker-credential-helpers/registryurl"
 )
 
 // Wincred handles secrets using the Windows credential service.