MFC r261270:

Fix the ordering of the arguments to printf in
uhub_child_location_string(). This produced bogus information in

        dev.<USB driver>.<id>.%location

output from sysctl.

sys/dev/usb/usb_hub.c

@@ -1625,8 +1625,9 @@ uhub_child_location_string(device_t parent, device_t child,
 		goto done;
 	}
 	snprintf(buf, buflen, "bus=%u hubaddr=%u port=%u devaddr=%u interface=%u",
+	    device_get_unit(res.udev->bus->bdev),
 	    (res.udev->parent_hub != NULL) ? res.udev->parent_hub->device_index : 0,
-	    res.portno, device_get_unit(res.udev->bus->bdev),
+	    res.portno,
 	    res.udev->device_index, res.iface_index);
 done:
 	mtx_unlock(&Giant);