update shape after resize, fixes bug #1491571
update shape after resize, fixes bug #1491571

luebking/fluxbox,Arkq/fluxbox,naimdjon/fluxbox,naimdjon/fluxbox,luebking/fluxbox,olivergondza/fluxbox,lukoko/fluxbox,naimdjon/fluxbox,Arkq/fluxbox,naimdjon/fluxbox,lukoko/fluxbox,lukoko/fluxbox,olivergondza/fluxbox,olivergondza/fluxbox,Arkq/fluxbox,luebking/fluxbox,luebking/fluxbox,Arkq/fluxbox,olivergondza/fluxbox,luebking/fluxbox,lukoko/fluxbox,naimdjon/fluxbox,Arkq/fluxbox,lukoko/fluxbox,olivergondza/fluxbox