Обсуждение: pgsql: doc: fix spelling "connction" to "connection"

doc: fix spelling "connction" to "connection"

Was wrong in commit 1a9388bd0f.

Reported-by: Tom Lane, Justin Pryzby

Discussion: https://postgr.es/m/20201102063333.GE22691@telsasoft.com

Backpatch-through: 9.5

Branch
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REL_13_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/19fd4f20b6a75058ca5be8037da529bb8cd55898

Modified Files
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doc/src/sgml/ref/pg_basebackup.sgml | 2 +-
doc/src/sgml/ref/pg_dumpall.sgml    | 2 +-
doc/src/sgml/ref/pg_receivewal.sgml | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)