Fixed re-enumeration issue of XMEGA architecture targets.

LUFA/DoxygenPages/ChangeLog.txt

@@ -41,6 +41,7 @@
   *     under some circumstances
   *   - Fixed incorrect USB device state set when a suspended LUFA device is woken while addressed but not configured (thanks to Balaji Krishnan)
   *   - Fixed broken USART SPI driver for the AVR8 architecture due to incorrect initialization
+  *   - Fixed re-enumeration issue of XMEGA architecture targets (thanks to xjedlins)
   *  - Library Applications:
   *   - Added handler for SCSI_CMD_START_STOP_UNIT in demos using the Mass Storage class, to prevent ejection errors on *nix systems due to an
   *     unknown SCSI command

LUFA/Drivers/USB/Core/XMEGA/USBInterrupt_XMEGA.c

@@ -93,7 +93,7 @@ ISR(USB_BUSEVENT_vect)
 		USB_DeviceState                = DEVICE_STATE_Default;
 		USB_Device_ConfigurationNumber = 0;
 
-		USB_Device_SetDeviceAddress(0);
+		USB_Device_EnableDeviceAddress(0);
 
 		Endpoint_ClearEndpoints();
 		Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL,