added missing "user" attribute to "online-status" event.

E.g. ```{"event": "online-status", "online": true, "when": "2015-05-20 00:16:40", "state": 1, "user": {"username": ... }}```

interface.c

@@ -2574,7 +2574,7 @@ void user_status_upd (struct tgl_state *TLS, struct tgl_user *U) {
     mpop_color (ev);
   } else {
     #ifdef USE_JSON
-      json_t *res = json_pack_user_status(&U->status);
+      json_t *res = json_pack_user_status(U);
       char *s = json_dumps (res, 0);
       mprintf (ev, "%s\n", s);
       json_decref (res);

json-tg.c

@@ -389,8 +389,13 @@ int str_format_time(long when, char* string)
   return sprintf (string, "%04d-%02d-%02d %02d:%02d:%02d", tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
 }
 
-json_t *json_pack_user_status (struct tgl_user_status *S) {
+json_t *json_pack_user_status (struct tgl_user *U) {
   json_t *res = json_object ();
+  struct tgl_user_status *S = &U->status;
+  json_object ();
+  json_t *user_res = json_object ();
+  json_pack_user(user_res, (void *) U);
+  assert (json_object_set (res, "user",  user_res) >= 0);
   assert (json_object_set (res, "online", json_boolean (S->online == 1)) >= 0);
   assert (json_object_set (res, "state", json_integer (S->online)) >= 0);
   if (S->online > 0 || S->online == -1) {

json-tg.h

@@ -9,6 +9,6 @@ json_t *json_pack_message (struct tgl_message *M);
 json_t *json_pack_updates (unsigned flags);
 json_t *json_pack_peer (tgl_peer_id_t id, tgl_peer_t *P);
 json_t *json_pack_read (struct tgl_message *M);
-json_t *json_pack_user_status (struct tgl_user_status *S);
+json_t *json_pack_user_status (struct tgl_user *U);
 #endif
 #endif