Fix lupdate warnings.

Change-Id: Idef345e12223cf6695ea5af8ee7fa1e51c72be0f
Reviewed-by: hjk <hjk121@nokiamail.com>

src/plugins/debugger/commonoptionspage.h

@@ -55,6 +55,7 @@ class GlobalDebuggerOptions;
 
 class CommonOptionsPageWidget : public QWidget
 {
+    Q_OBJECT
 public:
     explicit CommonOptionsPageWidget(const QSharedPointer<Utils::SavedActionSet> &group, QWidget *parent = 0);