[Checkins] [zopefoundation/persistent] 539aef: Oh, actually it was my mistake

[Marius Gedminas]

  Branch: refs/heads/fix-c-warning
  Home:   https://github.com/zopefoundation/persistent
  Commit: 539aef2d867c13adbfe8d57f170c518fcf73f7ca
      https://github.com/zopefoundation/persistent/commit/539aef2d867c13adbfe8d57f170c518fcf73f7ca
  Author: Marius Gedminas <marius at gedmin.as>
  Date:   2019-04-25 (Thu, 25 Apr 2019)

  Changed paths:
    M persistent/cPersistence.c

  Log Message:
  -----------
  Oh, actually it was my mistake

PRIx64 is defined in <inttypes.h>, not <stdint.h>.

I hate C.