Log Message:-----------Fix pg_autovacuum -s flag to handle values > 2000 by using sleep()instead of pg_usleep.
Backpatch to 8.0.X.
Modified Files:-------------- pgsql/contrib/pg_autovacuum: pg_autovacuum.c (r1.32 -> r1.33) (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_autovacuum/pg_autovacuum.c.diff?r1=1.32&r2=1.33)
