Fix more memleaks
The fix in gnutls_x509_crl_list_import() let's the fuzzer survive.
The other leak were randomly detected when searching the above leak - please re-check.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
The fix in gnutls_x509_crl_list_import() let's the fuzzer survive.
The other leak were randomly detected when searching the above leak - please re-check.