[ofw] changes to ibbus in SVN rev 1160

[Fab Tillier]

>> Revision 1160 added partitioning support.  This introduced a new IOCTL,
>> however the AL_IOCTL_VERSION wasn't updated.  Anytime the IOCTLs are
>> changed this needs to be updated so that applications fail gracefully
>> if there's a version mismatch.
>
> A new IOCTL shouldn't require updating the version.

If the new IOCTL is added at the end of the IOCTLs, yes.  Otherwise (as in this case) all IOCTLs beyond the new one have their value changed.

-Fab