Add a lot of missing Py_INCREF
diff --git a/OpenSSL/ssl/connection.c b/OpenSSL/ssl/connection.c
index 9c67660..0eba4a2 100755
--- a/OpenSSL/ssl/connection.c
+++ b/OpenSSL/ssl/connection.c
@@ -1438,6 +1438,9 @@
         return 0;
     }
 
+    /* PyModule_AddObject steals a reference.
+     */
+    Py_INCREF((PyObject *)&ssl_Connection_Type);
     if (PyModule_AddObject(module, "ConnectionType", (PyObject *)&ssl_Connection_Type) != 0) {
         return 0;
     }