Add en_GB in gitignore
Add en_GB in gitignore

From: Xavier Claessens <xclaesse@gmail.com>

svn path=/trunk/; revision=2569

GNOME/telepathy-account-widgets,Distrotech/telepathy-account-widgets,GNOME/telepathy-account-widgets,GNOME/telepathy-account-widgets,Distrotech/telepathy-account-widgets