doc: Update RFC URLs

Peter Eisentraut <peter_e@gmx.net>

Commit: d54285935072175aac1c446e15ec778b08a8fd75
Author: Peter Eisentraut <peter_e@gmx.net>
Date: 2017-08-17T15:47:40Z
Releases: 11.0
doc: Update RFC URLs

Consistently use the IETF HTML links instead of a random mix of
different sites and formats.  Correct one RFC number and fix one broken
link.

Files

PathChange+/−
doc/src/sgml/client-auth.sgml modified +1 −1
doc/src/sgml/json.sgml modified +1 −1
doc/src/sgml/libpq.sgml modified +1 −1
doc/src/sgml/pgcrypto.sgml modified +3 −3

Documentation touched