worker: use RED_CHANNEL_CLIENT for dcc
worker: use RED_CHANNEL_CLIENT for dcc

Acked-by: Fabiano Fidêncio <2931bae082ef9bc04523ba759c03a4778316d48f@redhat.com>

SPICE/spice,fgouget/spice,SPICE/spice,fgouget/spice,fgouget/spice,fgouget/spice,SPICE/spice