Fix path in log message
Fix path in log message

The actual error refers to the parent dir of the master/minion/etc. pki
subdir (i.e. /etc/salt/pki instead of /etc/salt/pki/minion). Therefore,
the startswith check needs to look for the parent of the pki_dir.

saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt