* mod_ssl: fix small memory leak in ssl_init_server_certs when ECDH is used.

SSL_CTX_set_tmp_ecdh increases reference count, so we have to call EC_KEY_free,
otherwise eckey will not be freed.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1666363 13f79535-47bb-0310-9956-ffa450edef68