Use PRI?64 instead of "ll?" in format strings (continued).
Continuation of work started in commit
15a79c73, after initial trial.
Author: Thomas Munro <thomas.munro@gmail.com>
Discussion: https://postgr.es/m/
b936d2fb-590d-49c3-a615-
92c3a88c6c19%40eisentraut.org