Index: /trunk/src/VBox/Additions/common/VBoxGuestLib/VBoxGuestR3LibDragAndDrop.cpp
===================================================================
--- /trunk/src/VBox/Additions/common/VBoxGuestLib/VBoxGuestR3LibDragAndDrop.cpp	(revision 50561)
+++ /trunk/src/VBox/Additions/common/VBoxGuestLib/VBoxGuestR3LibDragAndDrop.cpp	(revision 50562)
@@ -903,4 +903,5 @@
 }
 
+#ifdef VBOX_WITH_DRAG_AND_DROP_GH
 VBGLR3DECL(int) VbglR3DnDGHAcknowledgePending(uint32_t u32ClientId,
                                               uint32_t uDefAction, uint32_t uAllActions,
@@ -1168,3 +1169,3 @@
     return rc;
 }
-
+#endif /* VBOX_WITH_DRAG_AND_DROP_GH */