Stops watching a name.
Note that there may still be D-Bus traffic to process (relating to watching
and unwatching the name) in the current thread-default
this function has returned. You should continue to iterate the
GDestroyNotify function passed to
g_bus_watch_name() is called, in
order to avoid memory leaks through callbacks queued on the
after it’s stopped being iterated.
Available since: 2.26