Map a number of other OpenSSL errors into UNKNOWNCA.
Map a number of other OpenSSL errors into UNKNOWNCA.

Patch by: bert{_AT_}qqmail.nl

* buckets/ssl_buckets.c:
  (validate_server_certificate): map more errors

justinweb/serf,krime/serf,muthusuba/serf,blueszhangsh/serf,blueszhangsh/serf,TommyU/serf,Manouchehri/serf,blueszhangsh/serf,krime/serf,liuzongquan/serf,sworda/serf,wzugang/serf,TommyU/serf,sworda/serf,Manouchehri/serf,wzugang/serf,justinweb/serf,muthusuba/serf,liuzongquan/serf,liuzongquan/serf,Manouchehri/serf,sworda/serf,muthusuba/serf,liuzongquan/serf,idomon/serf,justinweb/serf,idomon/serf,idomon/serf,justinweb/serf,idomon/serf,Manouchehri/serf,krime/serf,TommyU/serf,muthusuba/serf,blueszhangsh/serf,sworda/serf,krime/serf,TommyU/serf,wzugang/serf,wzugang/serf