Follow up r1628 with better error detection.
Follow up r1628 with better error detection.

* buckets/ssl_buckets.c:
  (ssl_decrypt): Close the connection if a clean shutdown was initiated by the
   server. Otherwise return error.


git-svn-id: 683495cb1553624b05a54e2ba9533425f69cf277@1629 61a7d7f5-40b7-0310-9c16-bb0ea8cb1845

coapp-packages/serf,coapp-packages/serf,coapp-packages/serf