Обсуждение: pgsql: Fix invalid function references in a few comments

Fix invalid function references in a few comments

These appear to have been forgotten when the functions were renamed in
1fd687a03.

Backpatch-through: 13, where the functions were renamed

Branch
------
REL_13_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/4d655f154565662cbd11f1ce5c0e6a90cd6a8f56

Modified Files
--------------
src/backend/utils/adt/numutils.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)