Index: /trunk/src/VBox/Frontends/VirtualBox/src/selector/UIDesktopPane.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/selector/UIDesktopPane.cpp	(revision 68156)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/selector/UIDesktopPane.cpp	(revision 68157)
@@ -227,5 +227,5 @@
 *********************************************************************************************************************************/
 
-UIDesktopPane::UIDesktopPane(QAction *pRefreshAction, QWidget *pParent)
+UIDesktopPane::UIDesktopPane(QAction *pRefreshAction, QWidget *pParent /* = 0 */)
     : QWidget(pParent)
 {
Index: /trunk/src/VBox/Frontends/VirtualBox/src/selector/UIDesktopPane.h
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/selector/UIDesktopPane.h	(revision 68156)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/selector/UIDesktopPane.h	(revision 68157)
@@ -38,5 +38,5 @@
     /** Constructs desktop pane passing @a pParent to the base-class.
       * @param  pRefreshAction  Brings the refresh action reference. */
-    UIDesktopPane(QAction *pRefreshAction, QWidget *pParent);
+    UIDesktopPane(QAction *pRefreshAction, QWidget *pParent = 0);
 
     /** Updates @a strText details and switches to text details pane. */