ECDSA_SIG: restore doc comments which were deleted accidentally
amends
@@ -1078,6 +1078,8 @@ const BIGNUM *ECDSA_SIG_get0_s(const ECDSA_SIG *sig);
/** Setter for r and s fields of ECDSA_SIG
* \param sig pointer to ECDSA_SIG structure
+ * \param r pointer to BIGNUM for r (may be NULL)
+ * \param s pointer to BIGNUM for s (may be NULL)
*/
int ECDSA_SIG_set0(ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s);
