Fixing compilation with nginx>=1.9.1

Author: msva

src/ngx_postgres_util.c

@@ -61,10 +61,18 @@ ngx_postgres_upstream_finalize_request(ngx_http_request_t *r,
         u->resolved->ctx = NULL;
     }
 
+#if defined(nginx_version) && (nginx_version >= 1009001)
+    if (u->state && u->state->response_time) {
+#else
     if (u->state && u->state->response_sec) {
+#endif
         tp = ngx_timeofday();
+#if defined(nginx_version) && (nginx_version >= 1009001)
+        u->state->response_time = tp->msec - u->state->response_time;
+#else
         u->state->response_sec = tp->sec - u->state->response_sec;
         u->state->response_msec = tp->msec - u->state->response_msec;
+#endif
 
         if (u->pipe) {
             u->state->response_length = u->pipe->read_length;