Update tmp/ directory's atime+mtime with utime(NULL) so it works even if we're not the directory owner.
Update tmp/ directory's atime+mtime with utime(NULL) so it works even if
we're not the directory owner.

Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot