TpBaseChannel: make 'requested' property explicit
TpBaseChannel: make 'requested' property explicit

Subclasses must specify the 'requested' property at construction time rather
than implicitly calculating it from the initiator id.

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