Make it build using OpenSSL 1.1.0

The reference counter is now internal in OpenSSL and not accessible any more.

Author: kroeckx

ngx_http_upstream_fair_module.c

@@ -1174,9 +1174,8 @@ ngx_http_upstream_fair_set_session(ngx_peer_connection_t *pc, void *data)
 
     rc = ngx_ssl_set_session(pc->connection, ssl_session);
 
-    ngx_log_debug2(NGX_LOG_DEBUG_HTTP, pc->log, 0,
-                   "set session: %p:%d",
-                   ssl_session, ssl_session ? ssl_session->references : 0);
+    ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,
+                   "set session: %p", ssl_session);
 
     /* ngx_unlock_mutex(fp->peers->mutex); */
 
@@ -1200,8 +1199,8 @@ ngx_http_upstream_fair_save_session(ngx_peer_connection_t *pc, void *data)
         return;
     }
 
-    ngx_log_debug2(NGX_LOG_DEBUG_HTTP, pc->log, 0,
-                   "save session: %p:%d", ssl_session, ssl_session->references);
+    ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,
+                   "save session: %p", ssl_session);
 
     peer = &fp->peers->peer[fp->current];
 
@@ -1215,9 +1214,8 @@ ngx_http_upstream_fair_save_session(ngx_peer_connection_t *pc, void *data)
 
     if (old_ssl_session) {
 
-        ngx_log_debug2(NGX_LOG_DEBUG_HTTP, pc->log, 0,
-                       "old session: %p:%d",
-                       old_ssl_session, old_ssl_session->references);
+        ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,
+                       "old session: %p", old_ssl_session);
 
         /* TODO: may block */