The libwnck git master works perfectly.
I can also confirm that specific commit (5f88636284154e76611012c8a7c7495b9d917bd7) constitues the fix: applying the diff to libwnck3_3.4.7-3.debian fixes the crash; conversely, reverting the diff on git master reintroduces the crash.
The libwnck git master works perfectly.
I can also confirm that specific commit (5f88636284154e 76611012c8a7c74 95b9d917bd7) constitues the fix: applying the diff to libwnck3_ 3.4.7-3. debian fixes the crash; conversely, reverting the diff on git master reintroduces the crash.