Fixed kerberos path again. Default Ubuntu installs do indeed use /var/lib/krb5kdc. Really should try to autodetect that.
#!/bin/sed -rf
/^#\tldap/ {
s/^#\tldap$/\tldap/
}
/Auth-Type LDAP/ {
N
N
s/^#?(\s*)Auth-Type LDAP \{\
#?(\s*)ldap\
#?(\s*)\}/\1Auth-Type LDAP \{\
\2ldap\
\3\}/
}