Log Message:
-----------
Avoid assuming that the fields of struct timeval have exactly type long.
This is probably incorrect on some platforms, and definitely draws a
compiler warning on Darwin.
Modified Files:
--------------
pgsql/contrib/pgbench:
pgbench.c (r1.65 -> r1.66)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/pgbench/pgbench.c.diff?r1=1.65&r2=1.66)