Windows: Add Renesas SuperSpeed support for libusb_get_device_speed()

* tests conducted using a Renesas PCIE USB 3.0 controller and driver and
  a mass storage USB 3.0 confirm that USB_NODE_CONNECTION_INFORMATION_EX
  uses (undocumented) value 3 for SuperSpeed

diff --git a/libusb/os/windows_usb.c b/libusb/os/windows_usb.c
index 4d4c92c..da4e61c 100644 (file)
--- a/libusb/os/windows_usb.c
+++ b/libusb/os/windows_usb.c
@@ -1065,6 +1065,7 @@ static int init_device(struct libusb_device* dev, struct libusb_device* parent_d
                case 0: dev->speed = LIBUSB_SPEED_LOW; break;
                case 1: dev->speed = LIBUSB_SPEED_FULL; break;
                case 2: dev->speed = LIBUSB_SPEED_HIGH; break;
+               case 3: dev->speed = LIBUSB_SPEED_SUPER; break;
                default:
                        usbi_warn(ctx, "Got unknown device speed %d", conn_info.Speed);
                        break;