add 5 accessor functions that exist in 1.1.0 to help opaque x509 structs

X509_REVOKED_get0_serialNumber
X509_REVOKED_get0_revocationDate
X509_CRL_get0_signature
i2d_re_X509_REQ_tbs
i2d_re_X509_CRL_tbs
X509_REQ_get0_signature
2 files changed