pgsql: Fix small memory leaks in GUC checks

Fix small memory leaks in GUC checks Follow-up commit to a9d58bfe8a3a. Backpatch down to v16 where this was added in order to keep the code consistent for future backpatches. Author: Tofig Aliev Reviewed-by: Daniel Gustafsson Reviewed-by: Masahiko Sawada Discussion: https://postgr.es/m/bba431

pgsql: Fix small memory leaks in GUC checks

Fix small memory leaks in GUC checks Follow-up commit to a9d58bfe8a3a. Backpatch down to v16 where this was added in order to keep the code consistent for future backpatches. Author: Tofig Aliev Reviewed-by: Daniel Gustafsson Reviewed-by: Masahiko Sawada Discussion: https://postgr.es/m/bba431

pgsql: Fix small memory leaks in GUC checks

Fix small memory leaks in GUC checks Follow-up commit to a9d58bfe8a3a. Backpatch down to v16 where this was added in order to keep the code consistent for future backpatches. Author: Tofig Aliev Reviewed-by: Daniel Gustafsson Reviewed-by: Masahiko Sawada Discussion: https://postgr.es/m/bba431