pgsql: On further reflection, we'd better do the same in int.c.

On further reflection, we'd better do the same in int.c.

We previously heard of the same problem in int24div(), so there's not a
good reason to suppose the problem is confined to cases involving int8.

Branch
------
REL8_3_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/56423c143cce5347217d27119f5f52eaab899721

Modified Files
--------------
src/backend/utils/adt/int.c |   37 +++++++++++++++++++++++++++++++++++++
1 files changed, 37 insertions(+), 0 deletions(-)