XSelection.hs: use CPP to compile against utf8-string
XSelection.hs: use CPP to compile against utf8-string

darcs-hash:20080920151615-f7719-f3e3f95487ffce029e822e9a00d2aab2f1751cdd

yzhou61/xmonad-contrib,yzhou61/xmonad-contrib,yzhou61/xmonad-contrib