message: Fix redefinition error under OpenSSL
  LIBRESSL_VERSION_NUMBER is 0 when not defined, making the condition always true.
  Close
diff: #include <openssl/ssl.h>
  #include <openssl/bn.h>
  #include <openssl/rsa.h>
  -#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || (LIBRESSL_VERSION_NUMBER < 0x20700000L)
  +#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || (defined(LIBRESSL_VERSION_NUMBER) && (LIBRESSL_VERSION_NUMBER < 0x20700000L))
  #define X509_getm_notBefore X509_get_notBefore
  #define X509_getm_notAfter X509_get_notAfter
  #endif
  