`param' is used unconditionally in pkey_GOST_ECcp_encrypt() so we can
unconditionally check (vs in any particular `if' branch) for it's being
non-NULL. This is similar to how pkey_GOST_ECcp_decrypt() works with
`param'.
Closes #174.
+ if (!param)
+ goto err;
/* Check for private key in the peer_key of context */
if (sec_key) {
key_is_ephemeral = 0;
/* Check for private key in the peer_key of context */
if (sec_key) {
key_is_ephemeral = 0;