Fix some resource leaks identified by a static analyzer

Fixes: https://pagure.io/freeipa/issue/9367

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

util/ipa_krb5.c

@@ -904,6 +904,7 @@ static int prep_ksdata(krb5_context krbctx, const char *str,
         ksdata = calloc(n + 1, sizeof(struct krb_key_salt));
         if (NULL == ksdata) {
             *err_msg = _("Out of memory!?\n");
+            ipa_krb5_free_ktypes(krbctx, ktypes);
             return 0;
         }