Standardize type of variable when extending Buffers

When Who What
2023-09-19 08:34:26 Peter Eisentraut (petere) Closed in commitfest 2023-09 with status: Committed
2023-09-19 08:34:26 Peter Eisentraut (petere) Changed committer to petere
2023-07-07 18:40:09 Ranier Vilela (raniervilela) Changed authors to Ranier Vilela (raniervilela)
2023-07-07 18:40:09 Ranier Vilela (raniervilela) Changed targetversion to 17
2023-07-07 18:39:57 Ranier Vilela (raniervilela) Attached mail thread CAEudQAqHG-JP-YnG54ftL_b7v6-57rMKwET_MSvEoen0UHuPig@mail.gmail.com
2023-07-07 18:39:57 Ranier Vilela (raniervilela) Created patch record