channel-contacts: hash table may contain NULL contact
channel-contacts: hash table may contain NULL contact

This is the case when joining a room containing members having an unknown
owner.

https://bugs.freedesktop.org/show_bug.cgi?id=42670

Distrotech/telepathy-glib,Distrotech/telepathy-glib,Distrotech/telepathy-glib,Distrotech/telepathy-glib,Distrotech/telepathy-glib