Log Message:
-----------
Fix pgbench's getrand() function so that min and max have approximately
the same chance of being selected as do numbers between them. Problem
noted by Greg Stark; fix by Alexey Klyukin.
Modified Files:
--------------
pgsql/contrib/pgbench:
pgbench.c (r1.75 -> r1.76)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pgbench/pgbench.c?r1=1.75&r2=1.76)