[PATCH] amplc_pc236 and comedi_parport interrupt monitoring patch

Hi,

This patch sets the COMEDI_CB_BLOCK event in the interrupt routines of 
the comedi_parport and amplc_pc236 drivers, as whatever is monitoring 
the interrupts probably wants to know about them as soon as possible!

-- 
-=( Ian Abbott _at_ MEV Ltd.    E-mail: <abbotti_at_mev.co.uk>        )=-
-=( Tel: +44 (0)161 477 1898   FAX: +44 (0)161 718 3587         )=-