Fix build with OpenSSL 1.1.x

* SConstruct: fix if OPENSSL_malloc_init is a macro,
  check for OSSL_HANDSHAKE_STATE type for TLS_ST_SW_HELLO_REQ
* buckets/ssl_buckets.c: use SERF_HAVE_OSSL_HANDSHAKE_STATE


git-svn-id: https://svn.apache.org/repos/asf/serf/trunk@1805462 13f79535-47bb-0310-9956-ffa450edef68
2 files changed