Fix coverity unchecked return value
Just extending the comment so coveriety knows as well.
@@ -252,6 +252,7 @@ static int ssl_set_cert(CERT *c, X509 *x)
/*
* The return code from EVP_PKEY_copy_parameters is deliberately
* ignored. Some EVP_PKEY types cannot do this.
+ * coverity[check_return]
*/
EVP_PKEY_copy_parameters(pkey, c->pkeys[i].privatekey);
ERR_clear_error();
