Fix type definitions, module init return values, and unicode/bytes conversions
diff --git a/OpenSSL/crypto/revoked.c b/OpenSSL/crypto/revoked.c
index 95cfcf4..08c1542 100644
--- a/OpenSSL/crypto/revoked.c
+++ b/OpenSSL/crypto/revoked.c
@@ -387,7 +387,7 @@
 }
 
 PyTypeObject crypto_Revoked_Type = {
-    PyVarObject_HEAD_INIT(&PyType_Type, 0)
+    PyOpenSSL_HEAD_INIT(&PyType_Type, 0)
     "Revoked",
     sizeof(crypto_RevokedObj),
     0,