pgsql: doc: Fix missing role attribute in pg_get_tablespace_ddl() descr

doc: Fix missing role attribute in pg_get_tablespace_ddl() description.

The second function signature entry for pg_get_tablespace_ddl() was
missing the role="func_signature" attribute. This commit adds the
missing attribute to ensure consistent formatting with other function
entries.

Author: Tatsuya Kawata <kawatatatsuya0913@gmail.com>
Discussion: https://postgr.es/m/CAHza6qcSgwdh+f41zEm6NSaGHvs5_cwjVu22+KTic=TfnonrFA@mail.gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/79fba6ebaba4f6cd46fd80b55c891bb2ba734119

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