[dwm] Java patch

Hi,

I've made a simple hack (based on the xmonad one) to get Java
applications (which use the XToolkit/XAWT backend) working. With this
patch you won't get any grey windows anymore.

The patch for dwm-4.9 is available here:
http://files.luizribeiro.org/dwm/dwm-4.9-java.diff

Enjoy :-)

-- 
Luiz Ribeiro
http://luizribeiro.org/