Add a driver to open up a new xterm window whenever console output is
needed. Derived from console/win32.c but we are not yet ready to merge
the code completely.

diff --git a/console/generic.c b/console/generic.c
index ff2ea5e..3a08834 100644
--- a/console/generic.c
+++ b/console/generic.c
@@ -10,6 +10,7 @@
    driver, it should make sure to perserve the old values. */
 
 #include <stdio.h>
+
 #include "console.h"
 #include "config.h"
 #include "debug.h"