vendor: update buildkit with typed errors support

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

vendor/github.com/docker/distribution/registry/api/errcode/errors.go

@@ -207,11 +207,11 @@ func (errs Errors) MarshalJSON() ([]byte, error) {
 	for _, daErr := range errs {
 		var err Error
 
-		switch daErr := daErr.(type) {
+		switch daErr.(type) {
 		case ErrorCode:
-			err = daErr.WithDetail(nil)
+			err = daErr.(ErrorCode).WithDetail(nil)
 		case Error:
-			err = daErr
+			err = daErr.(Error)
 		default:
 			err = ErrorCodeUnknown.WithDetail(daErr)
 

vendor/github.com/docker/distribution/registry/api/v2/urls.go

@@ -252,3 +252,15 @@ func appendValuesURL(u *url.URL, values ...url.Values) *url.URL {
 	u.RawQuery = merged.Encode()
 	return u
 }
+
+// appendValues appends the parameters to the url. Panics if the string is not
+// a url.
+func appendValues(u string, values ...url.Values) string {
+	up, err := url.Parse(u)
+
+	if err != nil {
+		panic(err) // should never happen
+	}
+
+	return appendValuesURL(up, values...).String()
+}

vendor/github.com/docker/distribution/registry/client/auth/challenge/authchallenge.go

@@ -117,8 +117,8 @@ func init() {
 		var t octetType
 		isCtl := c <= 31 || c == 127
 		isChar := 0 <= c && c <= 127
-		isSeparator := strings.ContainsRune(" \t\"(),/:;<=>?@[]\\{}", rune(c))
-		if strings.ContainsRune(" \t\r\n", rune(c)) {
+		isSeparator := strings.IndexRune(" \t\"(),/:;<=>?@[]\\{}", rune(c)) >= 0
+		if strings.IndexRune(" \t\r\n", rune(c)) >= 0 {
 			t |= isSpace
 		}
 		if isChar && !isCtl && !isSeparator {