Nothing really that wrong with acquiring a disposed reference, for now.

Emitting events acquires and passes references conservatively, and the
VCLEVENT_OBJECT_DYING event hit this hard.

Change-Id: If86991ead63b05425a237bf213583c020ba4e582
diff --git a/include/vcl/outdev.hxx b/include/vcl/outdev.hxx
index 4e2341a..7066df4 100644
--- a/include/vcl/outdev.hxx
+++ b/include/vcl/outdev.hxx
@@ -274,7 +274,6 @@ private:

    inline void acquire() const
    {
        assert(!mbDisposed);
        mnRefCnt++;
    }