On Auth failures, rewind the body if possible

This fixes integration test failures for go1.21 and go1.22 which
weren't present in go1.20 and previous.

Something changed in the go runtime to cause this but the exact cause
is unknown.

Author: ncw

swift.go

@@ -787,6 +787,18 @@ func (c *Connection) Call(ctx context.Context, targetUrl string, p RequestOpts)
 			drainAndClose(resp.Body, nil)
 			c.UnAuthenticate()
 			retries--
+			err = AuthorizationFailed
+
+			// Attempt to rewind the body
+			if p.Body != nil {
+				if do, ok := p.Body.(io.Seeker); ok {
+					if _, seekErr := do.Seek(0, io.SeekStart); seekErr != nil {
+						return
+					}
+				} else {
+					return
+				}
+			}
 		} else {
 			break
 		}

swift_test.go

@@ -873,7 +873,7 @@ func TestObjectPutWithReauth(t *testing.T) {
 	c.AuthToken = "expiredtoken"
 
 	r := strings.NewReader(CONTENTS)
-	_, err := c.ObjectPut(ctx, CONTAINER, OBJECT, r, true, "", "text/plain", nil)
+	_, err := c.ObjectPut(ctx, CONTAINER, OBJECT, r, false, "", "text/plain", nil)
 	if err != nil {
 		t.Fatal(err)
 	}