Log Message:
-----------
Fix possible core dump from pgbench -d option. Julius Stroffek
Modified Files:
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pgsql/contrib/pgbench:
pgbench.c (r1.69 -> r1.70)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/pgbench/pgbench.c?r1=1.69&r2=1.70)