ipa-kdb: clarify user auth table mapping use of _AUTH_PASSWORD

Related: https://pagure.io/freeipa/issue/9485

Signed-off-by: Alexander Bokovoy <abokovoy@redhat.com>
Reviewed-By: Francisco Trivino <ftrivino@redhat.com>

daemons/ipa-kdb/ipa_kdb.c

@@ -195,6 +195,9 @@ done:
     return base;
 }
 
+/* In this table all _AUTH_PASSWORD entries will be
+ * expanded to include _AUTH_HARDENED in ipadb_parse_user_auth()
+ * which means there is no need to explicitly add it here */
 static const struct {
     const char *name;
     enum ipadb_user_auth flag;