Group chat settings not accessible

Bug description

When I am in a group chat that I own and want to access the settings, as soon as I click the settings icon, a programming error is reported. Settings are not accessible.

The following report is shown: Traceback (most recent call last): File "chat_control.pyc", line 878, in on_actions_button_clicked TypeError: prepare_context_menu() got an unexpected keyword argument 'hide_buttonbar_items'

Steps to reproduce

1. Create/Join exisiting chatroom.

2. Click settings icon

I am using Gajim 0.13 RC4.

Software versions

OS version: Win XP SP 3

GTK version: w/ Gajim 0.13

PyGTK version: w/ Gajim 0.13