Description: Only display warnings about broken USB support when it's actually
 used (i.e. the machine has USB device filters).
Author: Felix Geyer <fgeyer@debian.org>

Index: virtualbox/src/VBox/Frontends/VirtualBox/src/settings/UISettingsDialogSpecific.cpp
===================================================================
--- virtualbox.orig/src/VBox/Frontends/VirtualBox/src/settings/UISettingsDialogSpecific.cpp	2013-11-19 04:39:58.033640079 -0500
+++ virtualbox/src/VBox/Frontends/VirtualBox/src/settings/UISettingsDialogSpecific.cpp	2013-11-19 04:39:58.029640078 -0500
@@ -55,6 +55,7 @@
 
 /* COM includes: */
 #include "CUSBController.h"
+#include "CUSBDeviceFilter.h"
 
 #if 0 /* Global USB filters are DISABLED now: */
 # define ENABLE_GLOBAL_USB