pgsql: Fix typo in pgbench.c.

Fix typo in pgbench.c. Author: Kyotaro Horiguchi Discussion: https://postgr.es/m/20220914.114608.1462991533784489178.horikyota@gmail.com Branch -- master Details --- https://git.postgresql.org/pg/commitdiff/d583036d68d6fe2fa7facd63eb6548583094fa96 Modified Files -- src/

pgsql: Fix typo in pgbench.c

Fix typo in pgbench.c Author: Moon, Insung Discussion: https://postgr.es/m/008001d4b2db$1f772170$5e656450$@lab.ntt.co.jp Branch -- master Details --- https://git.postgresql.org/pg/commitdiff/1699e6dd1fa7fbc7c3d114b121828eb27eb523b1 Modified Files -- src/bin/pgbench/pgbench.c