[dwm] spacing bewteen windows

Hi,

With the newest hg tip I have a spacing between windows in tiled mode.
Actually, it only applies to certain windows like urxvt and gvim but not
to konqueror.

http://www.e-jc.de/dwm/ok.png
http://www.e-jc.de/dwm/spacing.png

-- 
Jan Christoph Ebersbach
Fear God and keep his commandments, for this is the whole duty of man.
Eccl 12,13