BUG/MINOR: ssl: segfault in cli_parse_set_cert with old openssl/boringssl

Fix 541a534 ("BUG/MINOR: ssl/cli: fix build of SCTL and OCSP") was not
enough.

[wla: It will probably be better later to put the #ifdef in the
functions so they can return an error if they are not implemented]
1 file changed