--- a/QTfrontend/ui/page/pagecampaign.h	Sun Nov 20 00:12:07 2016 +0100
+++ b/QTfrontend/ui/page/pagecampaign.h	Wed May 04 04:07:12 2016 +0200
@@ -38,6 +38,9 @@
 
     protected:
         QLayout * bodyLayoutDefinition();
+
+    private:
+        QLayout * footerLayoutDefinition();
 };
 
 #endif