[xmonad] Don't use xmessage when (re)compile errors

[wagnerdm at seas.upenn.edu]

Quoting "Pablo Olmos de Aguilera C." <pablo at glatelier.org>:

> Honestly I don't like xmessage very much, I'm happy enough looking the
> compile errors in the file .errors file or directly on the terminal.
> Besides uninstalling xmessage is there other sensible way to
> deactivate it?

If you prefer the command line, you can use "xmonad --recompile",  
which will dump its errors to stdout (or maybe stderr, I don't  
remember). When it doesn't give any output, then either "xmonad  
--restart" or mod+q.

~d