Ensure we fail with a decode error alert if the server sends and empty Cert
Ensure we fail with a decode error alert if the server sends and empty Cert

Reviewed-by: Tim Hudson <eb0be8e447f673b41b10eda09d63cd72526b0a42@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3436)
openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl