[polari] chatroomManager: Don't save private chats on shutdown

[Florian Müllner <fmuellner src gnome org>]

commit 8adee534c52cb4c87ad73d2cee25363612aadc07
Author: Florian Müllner <fmuellner gnome org>
Date:   Sun Jul 28 18:55:31 2013 +0200

    chatroomManager: Don't save private chats on shutdown

 src/chatroomManager.js |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/chatroomManager.js b/src/chatroomManager.js
index 732a422..1c70b3e 100644
--- a/src/chatroomManager.js
+++ b/src/chatroomManager.js
@@ -44,6 +44,9 @@ const _ChatroomManager = new Lang.Class({
             if (room.channel.get_invalidated())
                 continue;
 
+            if (!room.channel.has_interface(Tp.IFACE_CHANNEL_INTERFACE_GROUP))
+                continue;
+
             let account = room.channel.connection.get_account();
             let serializedChannel = {
                 account: GLib.Variant.new('s', account.get_object_path()),