[ixpmanager] update-l2database.pl uses unqualified hostnames

[Nick Hilliard]

Marco d'Itri wrote:
> switch.name is just the switch description.
> I am not sure if this patch is correct for other cases, but it works for me.

known issue - there are several places where hostname and host are
mis-used - update-l2database.pl is one of them.

github.com/inex/IXP-Manager/issues/310

This will be fixed in the IXP Manager 5 release.

Nick