pgsql: Fix typos in comments

Fix typos in comments The changes done in this commit impact comments with no direct user-visible changes, with fixes for incorrect function, variable or structure names. Author: Alexander Lakhin Discussion: https://postgr.es/m/e8c38840-596a-83d6-bd8d-cebc5...@gmail.com Branch -- master

pgsql: doc: Fix typo in pg_amcheck for term "schema"

doc: Fix typo in pg_amcheck for term "schema" Author: Alexander Lakhin Discussion: https://postgr.es/m/e8c38840-596a-83d6-bd8d-cebc5...@gmail.com Backpatch-through: 14 Branch -- REL_14_STABLE Details --- https://git.postgresql.org/pg/commitdiff/43beaa2fb16b18d3ec0dc385688cff264f6b736

pgsql: doc: Fix typo in pg_amcheck for term "schema"

doc: Fix typo in pg_amcheck for term "schema" Author: Alexander Lakhin Discussion: https://postgr.es/m/e8c38840-596a-83d6-bd8d-cebc5...@gmail.com Backpatch-through: 14 Branch -- master Details --- https://git.postgresql.org/pg/commitdiff/6fd8ae647da842ee4810fcd83b013cbed27f Modi

pgsql: doc: Fix typo in pg_amcheck for term "schema"

doc: Fix typo in pg_amcheck for term "schema" Author: Alexander Lakhin Discussion: https://postgr.es/m/e8c38840-596a-83d6-bd8d-cebc5...@gmail.com Backpatch-through: 14 Branch -- REL_15_STABLE Details --- https://git.postgresql.org/pg/commitdiff/77ea05406cb61292782eb874866247f20b47b6d