diff -r 8869b5256720 -r fc47fc4af6bd QTfrontend/ui/widget/about.cpp
--- a/QTfrontend/ui/widget/about.cpp	Wed Jan 24 21:05:34 2018 +0100
+++ b/QTfrontend/ui/widget/about.cpp	Wed Jan 24 22:20:10 2018 +0100
@@ -26,6 +26,7 @@
 #include <QMessageBox>
 #include <QNetworkReply>
 #include <QDebug>
+#include <QMimeData>
 #include "hwconsts.h"
 #include "SDLInteraction.h"
 #include "SDL.h"