Update on Shibboleth package transition

[Luk Claes]

Russ Allbery wrote:
> At this point, all of the Shibboleth packages are now in unstable and I
> think we're just waiting for builds before they can all be hinted in
> together.  It looks like everything is at least building at this point.
> 
> The affected packages are:
> 
>     xml-security-c/1.5.1-2
>     xmltooling/1.2.2-1
>     opensaml2/2.2.1-1
>     shibboleth-sp2/2.2.1+dfsg-1

hint added

Cheers

Luk