pgsql: doc: remove comma, related to commit 92d31085e9

doc: remove comma, related to commit 92d31085e9

Reported-by: Peter Eisentraut

Discussion: /messages/by-id/750b8832-d123-7f9b-931e-43ce8321b2d7@2ndquadrant.com

Backpatch-through: 9.5

Branch
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REL_12_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/aa9749ed95cadb8478e98fec15ed37fb83faa2ef

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