rt/tst-aio7 weirdness on ppc

[Jack Howarth]

Roland,
    On debian ppc sid with Linux 2.4.20-pre8 and ppclinux with
Linux 2.4.20-pre5, I don't see any misbehavior on the tst-aio7.out
on either machine. They both exit properly with the correct result.
                                   Jack