Fix another build problem with LibreSSL.

* buckets/ssl_buckets.c
  (ssl_decrypt): Check for required macros directly instead of blindly
   assuming they are available as of a particular version of OpenSSL.


git-svn-id: https://svn.apache.org/repos/asf/serf/trunk@1775241 13f79535-47bb-0310-9956-ffa450edef68
1 file changed