driver/name: properly cleanup name on goodbye
driver/name: properly cleanup name on goodbye

Firstly, drop any possible reference held on a name, and secondly
the previous patch mistakenly decremented instead of incremented
the accounting counter.

Signed-off-by: Tom Gundersen <7c8224529a7c718e876cb2496c973509fde1e50e@jklm.no>

bus1/dbus-broker