And they were sent on April 1st:
 - https://blockchain.info/tx/03a57a8e3b786de58357a7ce2c52179e74903b88d9bc1f2e73b47e44ea5c5753

So if you today sent them using the Bitcoin-Qt client that hadn't been yet synced, it wouldn't know that the funds were no longer able to be sent and would today send the transaction but, of course, that transaction will never confirm because the funds were already spent.