removing package for account support leaves null entry

[Pavol Klačanský]

1. Add Twitter account
2. Remove package account-plugin-twitter
3. Open GCC online account panel
4. Entry is there, but it is null

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: gnome-control-center-signon 0.1.6bzr13.04.05-0ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-14.24-generic 3.8.4
Uname: Linux 3.8.0-14-generic x86_64
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
Date: Tue Apr 23 17:31:37 2013
EcryptfsInUse: Yes
InstallationDate: Installed on 2012-12-07 (137 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20121207)
MarkForUpload: True
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=sk_SK.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-control-center-signon
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.