pidgin/purple-plugin-pack

Somehow I missed checking this in. This makes switchspell build by telling the
plugin_pack.py script we have enchant when doing a Windows build.
[List Handler]
type=default
depends=purple
provides=listhandler
summary=Provides numerous user-requested list-handling capabilities
description=Provides numerous user-requested list-handling capabilities, such as importing and exporting of AIM .blt files and generic protocol-agnostic XML .blist files, as well as direct copying of buddies from one account to another.
authors=John Bailey
introduced=1.0beta1