Xi: add a FIXME

All the DeepCopy stuff really needs to be shared between the init calls the
drivers use and this code here. Too many bugs by not keeping the two in
sync.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Chase Douglas <chase.douglas@canonical.com>

Xi/exevents.c

@@ -492,6 +492,8 @@ DeepCopyKeyboardClasses(DeviceIntPtr from, DeviceIntPtr to)
 
 }
 
+/* FIXME: this should really be shared with the InitValuatorAxisClassRec and
+ * similar */
 static void
 DeepCopyPointerClasses(DeviceIntPtr from, DeviceIntPtr to)
 {