Index: /trunk/src/VBox/Runtime/Makefile.kmk
===================================================================
--- /trunk/src/VBox/Runtime/Makefile.kmk	(revision 29533)
+++ /trunk/src/VBox/Runtime/Makefile.kmk	(revision 29534)
@@ -1226,4 +1226,5 @@
 	common/misc/RTAssertMsg2WeakV.cpp \
 	common/misc/buildconfig.cpp \
+	common/misc/once.cpp \
 	common/misc/sanity-c.c \
 	common/misc/sanity-cpp.cpp \