Fix the typo in a load function regression test for PostgreSQL 9.0
Fix the typo in a load function regression test for PostgreSQL 9.0

ooyamams/pg_bulkload,bwtakacy/pg_bulkload,bwtakacy/prev_pg_bulkload_repo,ooyamams/pg_bulkload,bwtakacy/pg_bulkload,bwtakacy/pg_bulkload,bwtakacy/prev_pg_bulkload_repo,ooyamams/pg_bulkload,bwtakacy/prev_pg_bulkload_repo