- initialized fsumma so it may be empty upon destroy
- initialized fsumma so it may be empty upon destroy

ytmytm/beos-fakBEtur,ModeenF/beos-fakBEtur,ModeenF/beos-fakBEtur,ytmytm/beos-fakBEtur,ytmytm/beos-fakBEtur,ModeenF/beos-fakBEtur,ModeenF/beos-fakBEtur,ytmytm/beos-fakBEtur