Move common bits of ldap to sudoers conversion into ldap_common.c

and use it in sssd.c.

plugins/sudoers/parse.h

@@ -259,6 +259,7 @@ bool init_aliases(void);
 bool init_parser(const char *path, bool quiet);
 void free_member(struct member *m);
 void free_members(struct member_list *members);
+void free_privilege(struct privilege *priv);
 void free_userspec(struct userspec *us);
 
 /* match_addr.c */