CURRENT build broken, acpi vs. strict-aliasing rules

[Daniel Eriksson]

> CURRENT build has been broken for at least 12 hours, possibly 
> longer. I know
> a cvsup from 2004.06.29.09.00.00 works.

Still broken for -O2 compiles:

/usr/src/sys/i386/acpica/acpi_wakeup.c: In function
`acpi_alloc_wakeup_handler':
/usr/src/sys/i386/acpica/acpi_wakeup.c:310: warning: dereferencing
type-punned pointer will break strict-aliasing rules

/Daniel Eriksson