acpi_drv.patch

diff --git a/src/app/virtualbox/src/VBox/Devices/PC/DrvACPI.cpp b/src/app/virtualbox/src/VBox/Devices/PC/DrvACPI.cpp
index d22fc11..f194326 100644
--- a/src/app/virtualbox/src/VBox/Devices/PC/DrvACPI.cpp
+++ b/src/app/virtualbox/src/VBox/Devices/PC/DrvACPI.cpp
@@ -44,6 +44,7 @@
 # include <IOKit/ps/IOPSKeys.h>
 #endif
 
+#undef RT_OS_FREEBSD
 #ifdef RT_OS_FREEBSD
 # include <sys/ioctl.h>
 # include <dev/acpica/acpiio.h>