pgsql: doc: fix JSON function prototype variable label

doc: fix JSON function prototype variable label

from_jsonb -> from_json, for consistency

Patch by rudolf (private report)

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/19c9da1d9654cbfd95bae26caff497d78277fb6e

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

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