gsignal: Change signal instance ref semantics under static analysis
As with commit 0932f714, which did this for refs/unrefs of the
object in g_object_notify()
, we need to do a similar thing for
refs/unrefs of the instance with g_signal_emit()
, for all the same
reasons.
Signed-off-by: Philip Withnall pwithnall@endlessos.org