Include strings.h for strcascmp() (win32 breakage)
Include strings.h for strcascmp() (win32 breakage)

Change-Id: Ic29ed91564310da4a9dd72d5a40a1368c115fccf
Reviewed-on: http://review.couchbase.org/42830
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>
Tested-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>

daverigby/kv_engine,owendCB/memcached,daverigby/memcached,couchbase/memcached,cloudrain21/memcached-1,jimwwalker/memcached,mrkwse/memcached,owendCB/memcached,daverigby/kv_engine,couchbase/memcached,cloudrain21/memcached-1,mrkwse/memcached,daverigby/memcached,owendCB/memcached,owendCB/memcached,couchbase/memcached,daverigby/memcached,cloudrain21/memcached-1,daverigby/kv_engine,jimwwalker/memcached,daverigby/memcached,jimwwalker/memcached,mrkwse/memcached,cloudrain21/memcached-1,mrkwse/memcached,couchbase/memcached,daverigby/kv_engine