skip the test on OpenSSL < 1.1 for now

Author: weltling

ext/openssl/tests/sni_server.phpt

@@ -3,6 +3,7 @@ sni_server
 --SKIPIF--
 <?php
 if (!extension_loaded("openssl")) die("skip openssl not loaded");
+if (OPENSSL_VERSION_NUMBER >= 0x10100000) die("skip OpenSSL < v1.1.0 required");
 --FILE--
 <?php
 $serverCode = <<<'CODE'