* [7b2b693]->[a43f6fd] autoupdate
* [3639716]->[74c0798] rmdir: Avoid test failure on HP-UX 10.20.
* [9776680]->[6ddae30] acl tests: Fix compilation error on HP-UX 11.
-__NEXTCOMMITMARKER__
+ * [5f0441a]->[c1bf224] thread: Fix confusion between NULL and 0.
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