Add a lot of missing Py_INCREF
diff --git a/OpenSSL/crypto/x509name.c b/OpenSSL/crypto/x509name.c
index ed3302d..a64e6c3 100644
--- a/OpenSSL/crypto/x509name.c
+++ b/OpenSSL/crypto/x509name.c
@@ -527,6 +527,8 @@
         return 0;
     }
 
+    /* PyModule_AddObject steals a reference.
+     */
     Py_INCREF((PyObject *)&crypto_X509Name_Type);
     if (PyModule_AddObject(module, "X509NameType", (PyObject *)&crypto_X509Name_Type) != 0) {
         return 0;