I think you may have to make a Paypal account in order
to send
the funds in Euros. Sorry :-/.
In theory, the following link should work to send a donation in Euros:
https://www.paypal.com/xclick/business=donate%40winehq.org&no_note=1&am…
You have to enter a description and an amount, but you should then be
able to pay it without setting up an account.
--
Owen Rudge
http://www.owenrudge.net/