Fix a small number of bugs, mostly in building on different platforms.
- Fix glitch with flush_all (exptime)
- Skip SASL tests unless RUN_SASL_TESTS is defined.
- Look around for saslpasswd2 (typically not in the user’s path).
- Build fix: Define sasl_callback_ft on older versions of sasl.
- Fix segfault when sending a zero byte command
- Fix warning in UDP test
- Properly detect GCC atomics
- Tests: loop on short binary packet reads
- Fix slabs_reassign tests on 32bit hosts
You can download it from : http://memcached.googlecode.com/files/memcached-1.4.12.tar.gz