[Bug 28769] shell32/shellpath tests: test_knownFolders() triggers use-after-free and invalid free in foldermanager

https://bugs.winehq.org/show_bug.cgi?id=28769

--- Comment #1 from Austin English  ---
 Invalid read of size 1
    at  bcmp (mc_replace_strmem.c:935)
    by  is_knownfolder (shellpath.c:3790)
    by  foldermanager_GetFolder (shellpath.c:3819)
    by  test_knownFolders (shobjidl.h:16490)
    by  func_shellpath (shellpath.c:2660)
    by  run_test (test.h:584)
    by  main (test.h:654)
  Address 0x4abbe28 is 18 bytes after a block of size 254 free'd
    at  notify_free (heap.c:263)
    by  RtlFreeHeap (heap.c:1762)
    by  HeapFree (heap.c:276)
    by  load_library (module.c:940)
    by  LoadLibraryExW (module.c:990)
    by  COMPOBJ_DllList_Add (compobj.c:495)
    by  apartment_getclassobject (compobj.c:1335)
    by  get_inproc_class_object (compobj.c:2894)
    by  CoGetClassObject (compobj.c:3032)
    by  CoCreateInstance (compobj.c:3197)
    by  test_knownFolders (shellpath.c:2077)
    by  func_shellpath (shellpath.c:2660)
    by  run_test (test.h:584)
    by  main (test.h:654)

still present.