ASN1_primitive_free
ASN1_primitive_free((ASN1_VALUE **)tmp_a, NULL);
void ASN1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it);
ASN1_primitive_free(pval, it);
ASN1_primitive_free(pval, it);
ASN1_primitive_free(pval, NULL);