Eric Sandeen reported a gcc complaint about uninitialized error
variables, so fix that.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reported-by: Eric Sandeen <sandeen@redhat.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>