Cruft removal:
 * DL_IMPORT/DL_EXPORT
 * #if 0'd code
 * Py_PROTO which was obsolete, but still used in one place in addrinfo.h
diff --git a/Modules/_elementtree.c b/Modules/_elementtree.c
index e5d61c6..2766b41 100644
--- a/Modules/_elementtree.c
+++ b/Modules/_elementtree.c
@@ -2612,7 +2612,7 @@
     {NULL, NULL}
 };
 
-DL_EXPORT(void)
+PyMODINIT_FUNC
 init_elementtree(void)
 {
     PyObject* m;