Обсуждение: pgsql: Doc: fix typo in URL of OASIS group web site.

Doc: fix typo in URL of OASIS group web site.

In other places that has been changed from http://www.oasis-open.org/
https://www.oasis-open.org/ but there's a place where the change was
missed.
Discussion: https://postgr.es/m/20190121.222844.399814306477973879.t-ishii%40sraoss.co.jp

Branch
------
REL_11_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/77002ad375a8ca6b7587560208303cf2555d62bb

Modified Files
--------------
doc/src/sgml/docguide.sgml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)