pgsql: doc: Fix incorrect reference in pg_overexplain documentation.

doc: Fix incorrect reference in pg_overexplain documentation.

Correct the referenced location of the RangeTblEntry definition
in the pg_overexplain documentation.

Backpatched to v18, where pg_overexplain was introduced.

Author: Julien Tachoires <julien@tachoires.me>
Reviewed-by: Fujii Masao <masao.fujii@gmail.com>
Discussion: https://postgr.es/m/20251218092319.tht64ffmcvzqdz7u@poseidon.home.virt
Backpatch-through: 18

Branch
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REL_18_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/283e25a37187b67e9ad88fef59e036140a615389

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