Index: /trunk/src/VBox/Frontends/VirtualBox/src/runtime/information/guestctrl/UIGuestControlInterface.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/runtime/information/guestctrl/UIGuestControlInterface.cpp	(revision 71050)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/runtime/information/guestctrl/UIGuestControlInterface.cpp	(revision 71051)
@@ -55,5 +55,5 @@
         break;
 
-QString generateErrorString(int getOptErrorCode, const RTGETOPTUNION &valueUnion)
+QString generateErrorString(int getOptErrorCode, const RTGETOPTUNION &/*valueUnion*/)
 {
     QString errorString;