bug函数：zcl_event_loop
bug代码定位：
if ( *msgPtr == AF_INCOMING_MSG_CMD )
{
zcl_ProcessMessageMSG( (afIncomingMSGPacket_t *)msgPtr );
}
else
{
uint8 taskID;
taskID = zcl_getExternalFoundationHandler( (afIncomingMSGPacket_t *)msgPtr );
if ( taskID != TASK_NO_TASK )
{
// send it to another task to process.
osal_msg_send( taskID, msgPtr );
dealloc = FALSE;
}
}Bug说明：在zcl中，此处为osal msg的处理。由ZCL的task处理函数处理的消息，通常发给zcl_event_loop的消息，只有AF_DATA_CONFIRM_CMD。如果依然按照afIncomingMSGPacket_t 的结构去处理消息AF_DATA_CONFIRM_CMD消息，必然会获得一个错误的Endpoint值。
