Line 110 uses UL as a compiler cast for the 0x constant, but it's not
large enough to hold a 64-bit value on a 32-bit arch.
Signed-off-by: Doug Ledford <dledford@redhat.com>

[ Use "-1" instead of "FFFFFFFFFFFFFFFFULL".  - Roland ]
Signed-off-by: Roland Dreier <roland@purestorage.com>