parisc: fix epoll_pwait syscall on compat kernel
parisc: fix epoll_pwait syscall on compat kernel

This bug was detected with the libio-epoll-perl debian package where the
test case IO-Ppoll-compat.t failed.

Signed-off-by: Helge Deller <5b1e7895819cf7d6bc77091b09bbfd6d330a4e74@gmx.de>
CC: 4fbacc2fa0ffdbb11bf1ad6925b886ebd08dd15f@kernel.org   # 3.0+

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs