- correct reference counting when combining certs taken from cache and obtained new - cache keys need to be alloc'ed, for the case when one cert is used to create the cache entry, another (same subject/nick/email) is added, then the first is removed and freed git-svn-id: svn://10.0.0.236/trunk@111728 18797224-902f-48f8-a5cc-f745e15eee43