Обсуждение: pgsql: Doc: fix typo in "Generic File Access Functions" section.

Doc: fix typo in "Generic File Access Functions" section.

Issue reported by me and fix by Tom Lane.
Discussion: https://postgr.es/m/20181219.080458.1434575730369741406.t-ishii%40sraoss.co.jp

Branch
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REL_11_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/84fcc2ce56962a82e4da633b5ba2bd68c4960cd8

Modified Files
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doc/src/sgml/func.sgml | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)