Only enumerate each interface once (#625)

If a device has multiple altsettings, like an Xbox Series X controller, make sure we only enumerate each interface once, not once for each altsetting.

Author: slouken

libusb/hid.c

@@ -885,6 +885,7 @@ struct hid_device_info  HID_API_EXPORT *hid_enumerate(unsigned short vendor_id,
 							libusb_close(handle);
 							handle = NULL;
 						}
+						break;
 					}
 				} /* altsettings */
 			} /* interfaces */