If size_t and ssize_t exist but we can't figure out their type, don't redefine them.
If size_t and ssize_t exist but we can't figure out their type, don't
redefine them.

LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot