authorize_user_token_ldap: Use correct LDAP free function.
authorize_user_token_ldap: Use correct LDAP free function.

Patch by judas.iscariote.

Yubico/yubico-pam,madrat-/yubico-pam,madrat-/yubico-pam,eworm-de/yubico-pam,eworm-de/yubico-pam,madrat-/yubico-pam,Yubico/yubico-pam,eworm-de/yubico-pam,Yubico/yubico-pam