Index: /trunk/src/VBox/Storage/VHDX.cpp
===================================================================
--- /trunk/src/VBox/Storage/VHDX.cpp	(revision 41352)
+++ /trunk/src/VBox/Storage/VHDX.cpp	(revision 41353)
@@ -24,4 +24,5 @@
 
 #include <VBox/log.h>
+#include <iprt/asm.h>
 #include <iprt/assert.h>
 #include <iprt/alloc.h>