Don't leak memory on error in PKCS12_key_gen_uni
Don't leak memory on error in PKCS12_key_gen_uni

The PKCS12_key_gen_uni() had one error path which did not free memory
correctly.

Reviewed-by: Richard Levitte <5fb523282dd7956571c80524edc2dccfa0bd8234@openssl.org>

openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl