Log Message:-----------Fix direct loader when 1GB or more data loaded.
Tags:----VERSION_2_4_0
Modified Files:-------------- pgbulkload/lib: pg_heap_direct.c (r1.7 -> r1.7.2.1) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/pg_heap_direct.c.diff?r1=1.7&r2=1.7.2.1)
