dirmngr: Use wrapper function for Windows LDAP peculiarities.
* dirmngr/ks-engine-ldap.c (my_ldap_return_with_check): New. (my_ldap_parse_result): New. (my_ldap_parse_page_control): New. (search_and_parse): Use the wrappers.
Updates-commit: b3dc2305e1ca92dfd75c701cca2fb90832abf7e3