In x509.h rev. 1.33 2018/02/22 16:47:50, jsing@ provided

In x509.h rev. 1.33 2018/02/22 16:47:50, jsing@ provided
X509_REVOKED_get0_serialNumber(3) and X509_REVOKED_get0_revocationDate(3).
Merge the documentation from OpenSSL, but put it into X509_REVOKED_new(3)
rather than into X509_CRL_get0_by_serial(3) because it fits better there.