Re: aic7xxx funcs without return values

[Justin T. Gibbs]

>The bigger problem with that driver for pedants is that it contains globals
>with names like 'hard_error' which are asking for clashes . Bizarrely all
>the static functions are carefully named ahc_* and the globals are called
>things like 'restart_squencer'

Such is the evolutionary nature of most drivers.  I just spent a bit
of time cleaning this up.  Some of the exported symbols didn't even
need to be in the current layout of the driver.

Thanks for the reminder.
Justin