FreeIndexDirCookie
status_t FreeIndexDirCookie(void* cookie);
status_t error = volume->FreeIndexDirCookie(cookie);
result = volume->FreeIndexDirCookie(request->indexDirCookie);
virtual status_t FreeIndexDirCookie(void* cookie);
virtual status_t FreeIndexDirCookie(void* cookie);
virtual status_t FreeIndexDirCookie(void* cookie);