Can't close connection editor after adding a VPN network

[Michał Sawicz]

Steps to reproduce:
* add a VPN network in nm-connection-editor

Expected results:
* you can close the editor window

Current results:
* the window can't be closed neither via "Close" button (it's disabled) or the window close button

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: network-manager-gnome 0.9.8.0-1ubuntu3
ProcVersionSignature: Ubuntu 3.11.0-7.14-generic 3.11.1
Uname: Linux 3.11.0-7-generic x86_64
NonfreeKernelModules: nvidia wl
ApportVersion: 2.12.2-0ubuntu1
Architecture: amd64
Date: Wed Sep 18 10:54:51 2013
IpRoute:
 default via 10.0.1.1 dev eth0 proto static
 10.0.1.0/24 dev eth0 proto kernel scope link src 10.0.1.105 metric 9
 192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1
MarkForUpload: True
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=true
 WWANEnabled=true
 WimaxEnabled=true
SourcePackage: network-manager-applet
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-dev:
 DEVICE TYPE STATE DBUS-PATH
 hso0 gsm disconnected /org/freedesktop/NetworkManager/Devices/5
 eth0 802-11-wireless connected /org/freedesktop/NetworkManager/Devices/1
 em1 802-3-ethernet unavailable /org/freedesktop/NetworkManager/Devices/0
nmcli-nm:
 RUNNING VERSION STATE NET-ENABLED WIFI-HARDWARE WIFI WWAN-HARDWARE WWAN
 running 0.9.8.0 connected enabled enabled enabled enabled disabled