(guchar*)val, num);
}
-void prop_set_string_utf8(Window win, Atom prop, gchar *val)
+void prop_set_string_utf8(Window win, Atom prop, const gchar *val)
{
XChangeProperty(ob_display, win, prop, prop_atoms.utf8, 8,
PropModeReplace, (guchar*)val, strlen(val));