[patch] don't link the plugin with libxul libraries

[Matthias Klose]

On 14.07.2010 11:46, Andrew John Hughes wrote:
> Why has this also been applied to the stable 1.7 branch?  Especially
> as I haven't heard of anyone testing this on Fedora yet...  Can
> someone please confirm it still works on that platform? We spent a lot
> of time getting the plugin building for 1.7 before release.

asked dbhole on irc about if I should commit it to this branch too.