Index: /trunk/src/VBox/GuestHost/DragAndDrop/DnDURIObject.cpp
===================================================================
--- /trunk/src/VBox/GuestHost/DragAndDrop/DnDURIObject.cpp	(revision 78082)
+++ /trunk/src/VBox/GuestHost/DragAndDrop/DnDURIObject.cpp	(revision 78083)
@@ -49,4 +49,22 @@
 {
     RT_ZERO(u);
+
+    switch (m_enmType)
+    {
+        case Type_File:
+        {
+            u.File.hFile = NIL_RTFILE;
+            break;
+        }
+
+        case Type_Directory:
+        {
+            u.Dir.hDir = NIL_RTDIR;
+            break;
+        }
+
+        default:
+            break;
+    }
 }