patches for libmemcache, pgmemcache to work with memcached 1.2.2

[Gavin M. Roy]

Please find the attached patches that add the minor additions to the stats
output in memcached 1.2.2 and fix a backend crash bug related in
pgmemcache.  If you need these in a different format or what not, let me
know.

Gavin

libmemcache-1.4.0.rc2-memcached-1.2.2.patch
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pgmemcache_1.2beta1-memcached-1.2.2.patch
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