pgsql: Fix use of uninitialized value in previous commit.

Fix use of uninitialized value in previous commit. Per buildfarm member akepa and others. Back-patch to v16 and v15. Discussion: https://postgr.es/m/20240924224352.93.nmi...@google.com Branch -- REL_16_STABLE Details --- https://git.postgresql.org/pg/commitdiff/90f5412a9a513f2d8e4fee11

pgsql: Fix use of uninitialized value in previous commit.

Fix use of uninitialized value in previous commit. Per buildfarm member akepa and others. Back-patch to v16 and v15. Discussion: https://postgr.es/m/20240924224352.93.nmi...@google.com Branch -- REL_15_STABLE Details --- https://git.postgresql.org/pg/commitdiff/0cf3d41cbb425c142ca7b3f1