* Portability fix for systems where socklen_t is bigger than int.
* Fix for malicious optimisation of memcpy in test suite, which
causes failure with gcc-4.1.9 -O3. See Debian bug #772718.
+ * Fix TCP async connect handling. The bug is hidden on Linux and on most
+ systems where the nameserver is on localhost. If it is not hidden,
+ adns's TCP support is broken unless adns_if_noautosys is used.
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