CBCC-1280: fix buffer overflow in address caching code
CBCC-1280: fix buffer overflow in address caching code

Change-Id: Ib5b3fd2bd252cf243d7c389fea1a0b3f1ed65411
Reviewed-on: http://review.couchbase.org/c/libcouchbase/+/157713
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: David Kelly <d83cd2a93a916ce0b0d4c1349b44be044799feca@gmail.com>

couchbase/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase